The broken lines shown in the figures are included for the purpose of illustrating portions of the hinge for a multi-position ladder and form no part of the claimed design.
The broken lines shown in the figures are included for the purpose of illustrating portions of the hinge for a multi-position ladder and form no part of the claimed design.
Number | Name | Date | Kind |
---|---|---|---|
53566 | Brown | Apr 1866 | A |
140156 | Olsson | Jun 1873 | A |
162075 | Isaacs et al. | Apr 1875 | A |
317024 | Schumann | May 1885 | A |
413730 | Palmer | Oct 1889 | A |
445453 | Nowland | Jan 1891 | A |
502967 | Hetrick et al. | Aug 1893 | A |
749670 | Gardner | Jan 1904 | A |
834653 | Barrett | Oct 1906 | A |
935306 | Jennings | Sep 1909 | A |
1283212 | Kloepfer et al. | Oct 1918 | A |
1702249 | Davidson | Feb 1929 | A |
1778898 | Joseph | Oct 1930 | A |
1942210 | Walter | Jan 1934 | A |
2090331 | Kutscheid | Aug 1937 | A |
2109886 | Lewis | Mar 1938 | A |
2144440 | Gaffers | Jan 1939 | A |
2186119 | Moen | Jan 1940 | A |
2207923 | Kelso | Jul 1940 | A |
2280691 | Edelmann | Apr 1942 | A |
2385171 | Cowles | Sep 1945 | A |
2525104 | St. Cyr | Oct 1950 | A |
2587177 | Larson | Feb 1952 | A |
2596521 | Bell | May 1952 | A |
2650014 | Harrison | Aug 1953 | A |
2805104 | Johnson-Ross | Sep 1957 | A |
2899011 | Babits | Aug 1959 | A |
2952301 | Ervin et al. | Sep 1960 | A |
D189419 | Bair | Dec 1960 | S |
3005513 | Larson | Oct 1961 | A |
3085651 | Howard | Apr 1963 | A |
3224530 | Marvin et al. | Dec 1965 | A |
3269485 | Larson | Aug 1966 | A |
D212086 | Gilman | Aug 1968 | S |
3476211 | Cormier | Nov 1969 | A |
3481026 | Lindesmith et al. | Dec 1969 | A |
3495684 | Homery | Feb 1970 | A |
3625388 | Golden et al. | Dec 1971 | A |
3647606 | Notaro | Mar 1972 | A |
3692143 | Kummerlin et al. | Sep 1972 | A |
D225493 | Rossi | Dec 1972 | S |
3744591 | Lucci et al. | Jul 1973 | A |
3811151 | Kuemmerlin | May 1974 | A |
3842936 | De Luca | Oct 1974 | A |
3869901 | Neary | Mar 1975 | A |
3999629 | Schaffer et al. | Dec 1976 | A |
4027741 | Derrick | Jun 1977 | A |
4031981 | Spencer | Jun 1977 | A |
4060150 | Hughes | Nov 1977 | A |
4061203 | Spencer et al. | Dec 1977 | A |
D248777 | Spencer et al. | Aug 1978 | S |
4153137 | Johnson | May 1979 | A |
4155422 | Larson et al. | May 1979 | A |
RE30020 | Spencer et al. | Jun 1979 | E |
4182431 | Wing | Jan 1980 | A |
4204587 | Larson | May 1980 | A |
4210224 | Kummerlin et al. | Jul 1980 | A |
4216844 | Klafs | Aug 1980 | A |
4276955 | Hickman | Jul 1981 | A |
4298093 | Wing | Nov 1981 | A |
4306700 | Bell | Dec 1981 | A |
4310134 | Schopp et al. | Jan 1982 | A |
4356854 | McGee | Nov 1982 | A |
4371055 | Ashton et al. | Feb 1983 | A |
4376470 | Ashton | Mar 1983 | A |
4407045 | Boothe | Oct 1983 | A |
4440264 | Knoke et al. | Apr 1984 | A |
4469193 | Rumsey, Jr. | Sep 1984 | A |
4470045 | Anderson | Sep 1984 | A |
4474264 | Krause | Oct 1984 | A |
4483415 | Disston et al. | Nov 1984 | A |
4485892 | Maloney et al. | Dec 1984 | A |
4491354 | Williams | Jan 1985 | A |
4494626 | Ast | Jan 1985 | A |
4502556 | Bartholet | Mar 1985 | A |
4502564 | Kuemmerlin et al. | Mar 1985 | A |
4502566 | Wing | Mar 1985 | A |
4560030 | Mucelli | Dec 1985 | A |
4566150 | Boothe | Jan 1986 | A |
4577986 | Wang | Mar 1986 | A |
4602889 | Mu-Shan | Jul 1986 | A |
4645371 | Wang | Feb 1987 | A |
4666327 | Su | May 1987 | A |
4666328 | Ryu | May 1987 | A |
4697305 | Boothe | Oct 1987 | A |
4715297 | Lichter | Dec 1987 | A |
4723631 | Tremblay | Feb 1988 | A |
4770559 | Yoo | Sep 1988 | A |
4773503 | Purpkapile | Sep 1988 | A |
4793163 | Macfarlane et al. | Dec 1988 | A |
4824278 | Chang | Apr 1989 | A |
4834216 | Wallick, Jr. | May 1989 | A |
4859109 | Targetti | Aug 1989 | A |
4890950 | Yoo | Jan 1990 | A |
4925329 | Chuang | May 1990 | A |
D309502 | Wing et al. | Jul 1990 | S |
4949811 | Bailey | Aug 1990 | A |
4951780 | Kim | Aug 1990 | A |
4974701 | Parise | Dec 1990 | A |
5022118 | Wan-Li | Jun 1991 | A |
5026198 | Lin | Jun 1991 | A |
5052581 | Christ et al. | Oct 1991 | A |
5056620 | Zumwalt et al. | Oct 1991 | A |
5058239 | Lee | Oct 1991 | A |
5074377 | Krause | Dec 1991 | A |
5137240 | Van Meter | Aug 1992 | A |
5163532 | McCarty | Nov 1992 | A |
D335966 | Schwartzkopf et al. | Jun 1993 | S |
5228535 | NcCarty | Jul 1993 | A |
5353892 | Lu | Oct 1994 | A |
5366051 | Bartnicki et al. | Nov 1994 | A |
5368347 | Holtman et al. | Nov 1994 | A |
5386907 | Kahl et al. | Feb 1995 | A |
5419409 | Corulla | May 1995 | A |
5438938 | Meeker et al. | Aug 1995 | A |
5460240 | Jones | Oct 1995 | A |
5487207 | Rey | Jan 1996 | A |
5505302 | Ferley | Apr 1996 | A |
5507460 | Schneider et al. | Apr 1996 | A |
5547080 | Klimas | Aug 1996 | A |
5603405 | Smith | Feb 1997 | A |
5613574 | Melanson | Mar 1997 | A |
5620272 | Sheng | Apr 1997 | A |
5636706 | Plotner et al. | Jun 1997 | A |
5673885 | Pham | Oct 1997 | A |
D387878 | Jacques | Dec 1997 | S |
D388882 | Kain | Jan 1998 | S |
5722507 | Kain | Mar 1998 | A |
5727649 | Buckley | Mar 1998 | A |
5740883 | Trank | Apr 1998 | A |
5762163 | Kain | Jun 1998 | A |
5775460 | Stone | Jul 1998 | A |
5788072 | Chen | Aug 1998 | A |
5791439 | Plotner et al. | Aug 1998 | A |
5826719 | Chen | Oct 1998 | A |
D401353 | Bell et al. | Nov 1998 | S |
5873433 | Katz | Feb 1999 | A |
5873463 | Purcell | Feb 1999 | A |
D410550 | Meyers | Jun 1999 | S |
5913380 | Gugel et al. | Jun 1999 | A |
D411888 | King | Jul 1999 | S |
5930872 | McBride et al. | Aug 1999 | A |
5937968 | Gibson et al. | Aug 1999 | A |
D414566 | Gibson et al. | Sep 1999 | S |
5954157 | Grimes et al. | Sep 1999 | A |
D414879 | Meyers | Oct 1999 | S |
5967260 | Spak | Oct 1999 | A |
5971102 | Brown | Oct 1999 | A |
D416092 | Meyers | Nov 1999 | S |
5992566 | Yeh | Nov 1999 | A |
5992567 | Chiu | Nov 1999 | A |
6000497 | Kain et al. | Dec 1999 | A |
6012548 | Kim | Jan 2000 | A |
6024412 | Kain et al. | Feb 2000 | A |
6026933 | King et al. | Feb 2000 | A |
6039149 | Bedja et al. | Mar 2000 | A |
D433156 | Gibson et al. | Oct 2000 | S |
6142255 | Plotner et al. | Nov 2000 | A |
D434855 | Ullum et al. | Dec 2000 | S |
6158749 | Roudebush | Dec 2000 | A |
D444574 | Gibson et al. | Jul 2001 | S |
D447572 | Rosko | Sep 2001 | S |
D447817 | Rosko | Sep 2001 | S |
D449385 | Rosko | Oct 2001 | S |
6330733 | Rauschenberger | Dec 2001 | B1 |
6334509 | Ryszkiewicz | Jan 2002 | B1 |
6341666 | Allen | Jan 2002 | B1 |
6343406 | Yeh | Feb 2002 | B1 |
6347687 | Alim | Feb 2002 | B1 |
D455842 | Rosko | Apr 2002 | S |
6390237 | Kim et al. | May 2002 | B1 |
6390238 | Gibson et al. | May 2002 | B1 |
D458385 | Rosko | Jun 2002 | S |
6401862 | Caron | Jun 2002 | B1 |
D460566 | Henschel et al. | Jul 2002 | S |
6427805 | Gibson et al. | Aug 2002 | B1 |
6443260 | Katz et al. | Sep 2002 | B1 |
6443261 | Gibson et al. | Sep 2002 | B1 |
6450290 | Spak | Sep 2002 | B1 |
6454050 | Gibson et al. | Sep 2002 | B2 |
6467577 | Charlebois | Oct 2002 | B1 |
D465289 | Gibson et al. | Nov 2002 | S |
D466225 | Rosko | Nov 2002 | S |
6536557 | Gibson et al. | Mar 2003 | B2 |
6550579 | Gibson et al. | Apr 2003 | B2 |
6588547 | Yeh | Jul 2003 | B2 |
6622340 | Rosa | Sep 2003 | B2 |
6688797 | Park | Feb 2004 | B2 |
6766881 | Carty | Jul 2004 | B2 |
6769515 | Hillebrecht et al. | Aug 2004 | B2 |
6840583 | Turner et al. | Jan 2005 | B1 |
6854803 | Tomas et al. | Feb 2005 | B2 |
6857503 | Simpson et al. | Feb 2005 | B2 |
6886659 | Simpson | May 2005 | B2 |
6902035 | Baumgartner et al. | Jun 2005 | B2 |
6966404 | Meeker | Nov 2005 | B2 |
6986405 | Meeker | Jan 2006 | B2 |
6991063 | Latimer et al. | Jan 2006 | B2 |
7007771 | Rawlings et al. | Mar 2006 | B2 |
7093321 | Burbrink et al. | Aug 2006 | B2 |
7095428 | Harrison | Aug 2006 | B2 |
7104362 | Meeker | Sep 2006 | B2 |
7108103 | Meeker | Sep 2006 | B2 |
7128187 | Simpson | Oct 2006 | B2 |
7140072 | Leng | Nov 2006 | B2 |
7159694 | Gibson | Jan 2007 | B2 |
7182176 | Gibson et al. | Feb 2007 | B2 |
7188706 | Simpson | Mar 2007 | B2 |
D548364 | Skubic et al. | Aug 2007 | S |
D548855 | Meyers | Aug 2007 | S |
7264082 | Simpson et al. | Sep 2007 | B2 |
D553370 | Meyers et al. | Oct 2007 | S |
D554771 | Skubic et al. | Nov 2007 | S |
D558473 | Mendenhall | Jan 2008 | S |
D562991 | Meyers et al. | Feb 2008 | S |
D565745 | Meyers et al. | Apr 2008 | S |
7370727 | Meeker | May 2008 | B2 |
7383920 | Meeker | Jun 2008 | B2 |
D576290 | Meyers et al. | Sep 2008 | S |
7516817 | Pate et al. | Apr 2009 | B2 |
7648108 | Peterson | Jan 2010 | B2 |
7861826 | Meyers et al. | Jan 2011 | B2 |
7931123 | Moldthan et al. | Apr 2011 | B2 |
7967111 | Meyers et al. | Jun 2011 | B2 |
8002084 | Huang | Aug 2011 | B2 |
8042653 | Grebinoski et al. | Oct 2011 | B2 |
8146710 | Moldthan et al. | Apr 2012 | B2 |
8186481 | Moss et al. | May 2012 | B2 |
8186550 | Sampson | May 2012 | B2 |
8210313 | Astor | Jul 2012 | B2 |
8579083 | Astor | Nov 2013 | B2 |
8661991 | Eveleth | Mar 2014 | B2 |
D710031 | Simpson et al. | Jul 2014 | S |
8869937 | Lampe et al. | Oct 2014 | B2 |
8919497 | Rund | Dec 2014 | B2 |
8997931 | Parker et al. | Apr 2015 | B2 |
9016434 | Moss et al. | Apr 2015 | B2 |
9163455 | Moss et al. | Oct 2015 | B2 |
D749715 | Lammel | Feb 2016 | S |
9380760 | Rorke et al. | Jul 2016 | B2 |
9404305 | Messick | Aug 2016 | B1 |
9416591 | Kieffer et al. | Aug 2016 | B2 |
9422767 | Russell et al. | Aug 2016 | B2 |
D766461 | Moss et al. | Sep 2016 | S |
D766462 | Moss et al. | Sep 2016 | S |
9488002 | Parker et al. | Nov 2016 | B2 |
9512675 | Fast | Dec 2016 | B1 |
20020017430 | Rosko | Feb 2002 | A1 |
20020017431 | Gibson et al. | Feb 2002 | A1 |
20020166727 | Cramer et al. | Nov 2002 | A1 |
20030037412 | Lee | Feb 2003 | A1 |
20030146046 | Simpson | Aug 2003 | A1 |
20030146047 | Simpson | Aug 2003 | A1 |
20030217888 | Simpson et al. | Nov 2003 | A1 |
20040000449 | Meeker | Jan 2004 | A1 |
20040007424 | Simpson | Jan 2004 | A1 |
20040140156 | Moss et al. | Jul 2004 | A1 |
20040140409 | Radda | Jul 2004 | A1 |
20050029043 | Latimer et al. | Feb 2005 | A1 |
20050029050 | Baumgartner et al. | Feb 2005 | A1 |
20050051386 | Simpson | Mar 2005 | A1 |
20050056233 | O'Leary et al. | Mar 2005 | A1 |
20050065029 | Harrison et al. | Mar 2005 | A1 |
20050109558 | Simpson et al. | May 2005 | A1 |
20050173194 | Pate et al. | Aug 2005 | A1 |
20050274571 | Simpson et al. | Dec 2005 | A1 |
20060070806 | Simpson | Apr 2006 | A1 |
20060102425 | Moldthan | May 2006 | A1 |
20060225961 | Elliott | Oct 2006 | A1 |
20060266585 | Simpson | Nov 2006 | A1 |
20070181367 | Astor | Aug 2007 | A1 |
20070181368 | Simpson | Aug 2007 | A1 |
20070284192 | Meyers et al. | Dec 2007 | A1 |
20080006480 | Simpson et al. | Jan 2008 | A1 |
20080053751 | Meyers et al. | Mar 2008 | A1 |
20080142301 | Meyers et al. | Jun 2008 | A1 |
20080251317 | Johnson | Oct 2008 | A1 |
20080251319 | Meyers et al. | Oct 2008 | A1 |
20080296447 | Peterson | Dec 2008 | A1 |
20090078504 | Astor | Mar 2009 | A1 |
20090179455 | Ogden | Jul 2009 | A1 |
20090229918 | Moss et al. | Sep 2009 | A1 |
20100101012 | Sampson | Apr 2010 | A1 |
20100200334 | Moldthan et al. | Aug 2010 | A1 |
20100236866 | Huang | Sep 2010 | A1 |
20110011674 | Kim | Jan 2011 | A1 |
20110024234 | Lin | Feb 2011 | A1 |
20110056766 | Maglieri et al. | Mar 2011 | A1 |
20110272923 | Chen | Nov 2011 | A1 |
20120181109 | Rund | Jul 2012 | A1 |
20120273304 | Lampe et al. | Nov 2012 | A1 |
20140054112 | Astor | Feb 2014 | A1 |
20140123910 | Rorke et al. | May 2014 | A1 |
20140131138 | Simpson et al. | May 2014 | A1 |
20140190768 | Moss et al. | Jul 2014 | A1 |
20140224585 | Russell | Aug 2014 | A1 |
20150074980 | Wesgardh et al. | Mar 2015 | A1 |
20150159434 | Leng | Jun 2015 | A1 |
20150211297 | Parker et al. | Jul 2015 | A1 |
20150308190 | Skubic et al. | Oct 2015 | A1 |
20160143444 | Lan | May 2016 | A1 |
20160222730 | Yeh | Aug 2016 | A1 |
20160348434 | Williams et al. | Dec 2016 | A1 |
Number | Date | Country |
---|---|---|
348116 | Feb 1935 | CA |
2315585 | Feb 2001 | CA |
2354696 | Feb 2002 | CA |
2418581 | Aug 2003 | CA |
2381213 | Jul 2004 | CA |
2465252 | Nov 2004 | CA |
2476584 | Mar 2005 | CA |
2341556 | Sep 2005 | CA |
2354996 | Oct 2005 | CA |
2466777 | Jan 2008 | CA |
2466856 | Apr 2008 | CA |
2881525 | Sep 2015 | CA |
1601043 | Mar 2005 | CN |
102431801 | May 2012 | CN |
103485709 | Jan 2014 | CN |
189419 | Sep 1906 | DE |
3320315 | Dec 1984 | DE |
0135666 | Apr 1985 | EP |
1388638 | Feb 2004 | EP |
1473432 | Nov 2004 | EP |
1375816 | Jan 2006 | EP |
1865143 | Dec 2007 | EP |
1561898 | May 2008 | EP |
2090740 | Aug 2009 | EP |
2554501 | May 1985 | FR |
2175948 | Dec 1986 | GB |
2175948 | Oct 1988 | GB |
2322897 | Sep 1998 | GB |
2486938 | Sep 2015 | GB |
WO2000042286 | Jul 2000 | WO |
WO2000050725 | Aug 2000 | WO |
WO2001012926 | Feb 2001 | WO |
WO2016090041 | Jun 2016 | WO |