Hinge for a multi-position ladder

Information

  • Patent Grant
  • D935055
  • Patent Number
    D935,055
  • Date Filed
    Wednesday, August 7, 2019
    5 years ago
  • Date Issued
    Tuesday, November 2, 2021
    3 years ago
  • US Classifications
    Field of Search
    • US
    • D25 62- 65
    • D25 68
    • 403 093000
    • 403 096000
    • 016 320000
    • 016 231000
    • 016 328000
    • 016 326000
    • CPC
    • E06C7/50
    • E06C7/00
    • E06C1/383
    • E05D11/1007
    • F16C11/10
  • International Classifications
    • 2504
    • Term of Grant
      15Years
Abstract
Description


FIG. 1 is a right side elevation view of a hinge for a multi-position ladder showing our new design;



FIG. 2 is a front elevation view thereof;



FIG. 3 is a top view thereof;



FIG. 4 is a front right perspective view thereof; and,



FIG. 5 is a front left perspective view thereof.


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.


Claims
  • We claim the ornamental design for hinge for a multi-position ladder, as shown and described.
US Referenced Citations (120)
Number Name Date Kind
317024 Schumann May 1885 A
445453 Nowland Jan 1891 A
453193 Kinser Jun 1891 A
1942210 Harting Jan 1934 A
1973774 Pflugradt Sep 1934 A
2144440 Gaffers Jan 1939 A
2186119 Moen Jan 1940 A
2650014 Harrison Aug 1953 A
3002582 Marcelis Oct 1961 A
3318413 Werner et al. May 1967 A
3327385 Shaver Jun 1967 A
3476211 Cormier Nov 1969 A
3481026 Lindesmith et al. Dec 1969 A
3692143 Kümmerlin et al. Sep 1972 A
3811151 Kuemmerlin May 1974 A
3849834 Mayer Nov 1974 A
3850533 Thielen Nov 1974 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
RE30020 Spencer et al. Jun 1979 E
4182431 Wing Jan 1980 A
4210224 Kummerlin et al. Jul 1980 A
4216844 Klafs Aug 1980 A
4298093 Wing Nov 1981 A
4371055 Ashton et al. Feb 1983 A
4376470 Ashton Mar 1983 A
4407045 Boothe Oct 1983 A
4469193 Rumsey, Jr. Sep 1984 A
4470045 Anderson Sep 1984 A
4474264 Krause Oct 1984 A
4483415 Disston et al. Nov 1984 A
4502566 Wing Mar 1985 A
4540306 Wang Sep 1985 A
4566150 Boothe Jan 1986 A
4597687 Colas Jul 1986 A
4602889 Mu-Shan Jul 1986 A
4656721 Werner Apr 1987 A
4666327 Su May 1987 A
4666328 Ryu May 1987 A
4697305 Boothe Oct 1987 A
4698896 Osterwald et al. Oct 1987 A
4770559 Yoo Sep 1988 A
4774503 Bussard Sep 1988 A
4824278 Chang Apr 1989 A
4859109 Targetti Aug 1989 A
4881843 Randleman Nov 1989 A
4890950 Yoo Jan 1990 A
D309502 Wing et al. Jul 1990 S
4947959 Yuen Aug 1990 A
4951780 Kim Aug 1990 A
4967879 Klafs et al. Nov 1990 A
4974701 Parise Dec 1990 A
5002153 Yuen Mar 1991 A
5026198 Lin Jun 1991 A
5074377 Krause Dec 1991 A
5163532 McCarty Nov 1992 A
5228535 McCarty Jul 1993 A
5279387 Swiderski et al. Jan 1994 A
5353892 Lu Oct 1994 A
5359812 Mayfield Nov 1994 A
5366051 Bartnicki et al. Nov 1994 A
5419084 Sankey et al. May 1995 A
5487207 Rey Jan 1996 A
5515942 Woodfield May 1996 A
5620272 Sheng Apr 1997 A
5752579 Takahashi May 1998 A
5775460 Stone Jul 1998 A
5954157 Grimes et al. Sep 1999 A
5966777 Jantschek Oct 1999 A
5992566 Yeh Nov 1999 A
6032759 Yeh Mar 2000 A
6141909 Hanson Nov 2000 A
6220389 Krause Apr 2001 B1
6269909 Grimes et al. Aug 2001 B1
6298605 Delefosse et al. Oct 2001 B1
6343406 Yeh Feb 2002 B1
6347687 Alim Feb 2002 B1
6390238 Gibson et al. May 2002 B1
6533882 Woodside Mar 2003 B1
6857503 Simpson et al. Feb 2005 B2
6866117 Moss Mar 2005 B2
7047597 Lee May 2006 B2
7108103 Meeker Sep 2006 B2
7140072 Leng Nov 2006 B2
D554771 Skubic et al. Nov 2007 S
7364017 Moss et al. Apr 2008 B2
D631562 Han Jan 2011 S
7861826 Meyers et al. Jan 2011 B2
D710031 Simpson et al. Jul 2014 S
8919497 Rund Dec 2014 B2
8997931 Parker et al. Apr 2015 B2
9404305 Messick Aug 2016 B1
9416591 Kieffer et al. Aug 2016 B2
9580959 Kieffer et al. Feb 2017 B2
D860476 Foley Sep 2019 S
10487580 Miao Nov 2019 B2
D908924 Melton Jan 2021 S
D914912 Barker Mar 2021 S
20020017431 Gibson et al. Feb 2002 A1
20020166727 Cramer et al. Nov 2002 A1
20030037412 Lee Feb 2003 A1
20030108380 Schweitz et al. Jun 2003 A1
20030188923 Moss Oct 2003 A1
20040000449 Meeker Jan 2004 A1
20040007424 Simpson Jan 2004 A1
20040129497 Weiss Jul 2004 A1
20050029044 Latimer et al. Feb 2005 A1
20070181369 Gibson et al. Aug 2007 A1
20100172690 Cash et al. Jul 2010 A1
20110024234 Lin Feb 2011 A1
20110272923 Chen Nov 2011 A1
20120061182 Grimes Mar 2012 A1
20120181109 Rund Jul 2012 A1
20140224585 Russell et al. Aug 2014 A1
20150159434 Leng Jun 2015 A1
20150233181 Walsh Aug 2015 A1
20180209474 Klein et al. Jul 2018 A1
Foreign Referenced Citations (3)
Number Date Country
195 39 157 Apr 1997 DE
0 324 885 Jul 1989 EP
1002235 Aug 1997 NL
Non-Patent Literature Citations (15)
Entry
Brochure, “Step Stools—Ladders 2001,” Cosco, Inc. (2001), 12 pages.
Brochure re: The Little Giant, prior to Mar. 2017, 2 pages.
Brochure, “Ladders,” Tricam Industries, prior to Mar. 2017, pp. 1-4.
Fact Sheet, “Prostep Multi-Folding Ladder, Type I,” Tricam Industries, No. 001-1 (Mar. 1994), 2 pages.
Brochure, “Jaws/Climbing systems for professionals and do-it-yourselfers,” Featherlite Industries (1996).
Spec sheet, “Fiberglass VersaLadder™”, Versa Products Inc., prior to Mar. 2017.
Brochure, “VersaLadder™, The Original, Amazing, Multi-purpose, Heavy-duty, Folding Ladder!” Versa Products Inc., prior to Mar. 2017.
Brochure, “VersaLadder™” (Jun. 1993).
Brochure, “Unless your ladder looks like this . . . and does this . . . ” Wing Enterprises, Inc., prior to Mar. 2017.
Operating and Safety Instructions, “Little Giant Ladder Systems, Type IA,” Wing Enterprises, Inc. (Aug. 1990), 30 pages.
Brochure, “Ladders,” Keller Ladders, Inc. (1999), 4 pages.
Keller™ 2000/2001 Product Catalog, p. 8 (2000).
Brochure, Krause (1997), 6 pages.
Brochure, “The Little Giant Ladder System® Fiberglass,” Wing Enterprises, prior to Mar. 2017.
Brochure, “Columbia & Blue Ribbon 1999 Ladders,” Columbia Ladders/Blue Ribbon Ladders (1999), 4 pages.