TREA

Step stool

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Information

  • Patent Grant
  • D710031
  • Patent Number
    D710,031
  • Date Filed
    Thursday, November 15, 2012
    12 years ago
  • Date Issued
    Tuesday, July 29, 2014
    10 years ago
Information
Abstract
Description


FIG. 1 is a perspective view of a step stool according to the invention.



FIG. 2 is a front view of the step stool according to the invention.



FIG. 3 is a side view of the step stool according to the invention.



FIG. 4 is a rear view of the step stool according to the invention.



FIG. 5 is another side view of the step stool according to the invention.



FIG. 6 is a top view of the step stool according to the invention.



FIG. 7 is a bottom view of the step stool according to the invention; and,



FIG. 8 is a perspective view of the step stool in a folded position according to the invention.


Items shown in broken lines are for illustrative purposes only and form no part of the claimed invention.


Claims
  • We claim the ornamental design for a step stool, as shown and described.
US Referenced Citations (205)
Number Name Date Kind
162075 Isaacs et al. Apr 1875 A
317024 Schumann May 1885 A
413730 Palmer Oct 1889 A
445453 Nowland Jan 1891 A
749670 Gardner Jan 1904 A
1283212 Kloepfer et al. Oct 1918 A
1702249 Davidson Feb 1929 A
1778898 Konigsberg Oct 1930 A
1942210 Harting 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
2525104 St. Cyr Oct 1950 A
2596521 Bell May 1952 A
2805104 Johnson Sep 1957 A
2899011 Babits Aug 1959 A
2952301 Schlaak et al. Sep 1960 A
D189419 Bair Dec 1960 S
3005513 Larson Oct 1961 A
3085651 Rich Apr 1963 A
3224530 King 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
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 Jul 1973 A
3811151 Kummerlin May 1974 A
3842936 DeLuca 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
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
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 Kummerlin 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
4666327 Su May 1987 A
4666328 Ryu May 1987 A
4697305 Boothe Oct 1987 A
4715297 Lichter Dec 1987 A
4770559 Yoo Sep 1988 A
4773503 Purkapile Sep 1988 A
4824278 Chang Apr 1989 A
4834216 Wallick, Jr. May 1989 A
4859109 Targetti Aug 1989 A
4890950 Yoo Jan 1990 A
D309502 Wing et al. Jul 1990 S
4951780 Kim Aug 1990 A
4974701 Parise Dec 1990 A
5026198 Lin Jun 1991 A
5052581 Christ 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 McCarty Jul 1993 A
5353892 Lu Oct 1994 A
5386907 Kahl et al. Feb 1995 A
5419409 Corulla May 1995 A
5438938 Meeker et al. Aug 1995 A
5487207 Rey Jan 1996 A
5505302 Ferley Apr 1996 A
5547080 Klimas Aug 1996 A
5603405 Smith Feb 1997 A
5613574 Melanson Mar 1997 A
5620272 Sheng Apr 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
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
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
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
6334509 Ryszkiewicz Jan 2002 B1
6341666 Allen Jan 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, Jr. 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
6622340 Rosa Sep 2003 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
7007771 Rawlings et al. Mar 2006 B2
7093321 Burbrink et al. 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 Aug 2007 S
D548855 Meyers Aug 2007 S
7264082 Simpson Sep 2007 B2
D553370 Meyers et al. Oct 2007 S
D554771 Skubic et al. Nov 2007 S
D558473 Mendenhall et al. 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
20020017430 Rosko Feb 2002 A1
20020166727 Cramer et al. Nov 2002 A1
20030146046 Simpson Aug 2003 A1
20030146047 Simpson Aug 2003 A1
20030217888 Simpsom Nov 2003 A1
20040007424 Simpson Jan 2004 A1
20040140156 Moss et al. Jul 2004 A1
20040140409 Radda Jul 2004 A1
20050109558 Simpson May 2005 A1
20050274571 Simpson et al. Dec 2005 A1
20060070806 Simpson Apr 2006 A1
20060266585 Simpson Nov 2006 A1
20070181368 Simpson Aug 2007 A1
20070181369 Gibson et al. Aug 2007 A1
20070284192 Meyer et al. Dec 2007 A1
20080006480 Simpson Jan 2008 A1
20080053751 Meyers et al. Mar 2008 A1
20080251317 Johnson Oct 2008 A1
20080251319 Meyers et al. Oct 2008 A1
Foreign Referenced Citations (18)
Number Date Country
348116 Feb 1935 CA
2354696 Apr 2000 CA
2341556 Jul 2000 CA
2315585 Feb 2001 CA
2381213 Feb 2001 CA
2354996 Feb 2002 CA
2465252 Nov 2004 CA
2466777 Nov 2004 CA
2466856 Nov 2004 CA
3320315 Dec 1984 DE
1375816 Jan 2004 EP
1388638 Feb 2004 EP
1473432 Nov 2004 EP
1865143 Dec 2007 EP
2554501 May 1985 FR
2175948 Dec 1986 GB
WO 0040824 Jul 2000 WO
WO 0112926 Feb 2001 WO
Non-Patent Literature Citations (23)
Entry
Little Giant Ladder Systems®, Wing Enterprises, Inc., Operating and Safety Instructions, pp. 1-17, Aug. 1, 1990.
Little Giant Ladder Systems®, Wing Enterprises, Inc., Operating and Safety Instructions, Aug. 1, 1990. 23 pages.
Canadian Office Action for Canadian Application No. 2418581 dated Mar. 25, 2008.
Canadian Office Action for Canadian Application No. 2418581 dated Jun. 13, 2007.
Brochure, Step Stools—Ladders 2001; Cosco, Inc. pp. 1-18 (2001).
Brochure , “Ladders”, Tricam Industries, pp. 1-4, prior to Nov. 15, 2012.
Fact Sheet, “Prostep Multi-Folding Ladder, Type I”, No. 001-1. Mar. 1994.
Brochure, “Jaws/Climbing Sytems for Professionals and do-it-yourselfers”, Featherlite Industries. 1996.
Spec Sheet, “Fiberglass VersaLadder”, Versa Products Inc., prior to Nov. 15, 2012.
Brochure, “VersaLadder” The Original, Amazing, Multi-purpose, Heavy-Duty, Folding Ladder! Versa Products, Inc. , prior to Nov. 15, 2012.
Brochure, “VersaLadder” Jun. 1993.
Brochure, “Unless your ladder looks like this . . . and does this . . . ” Wing Enterprises, Inc. , prior to Nov. 15, 2012.
Operating and Safety Instructions, “Little Giant Ladder Systesm, Type IA”, Wing Enterprises, Inc. Aug. 1990.
Brochure, “Ladders”, Keller Ladders, Inc. Aug. 1999.
Brochure, “Columbia & Blue Ribbon 1999 Ladders,” Columbia Ladders/Blue Ribbon Ladders 1999.
Keller™ 2000/2001 Product Catalog p. 8. 2000.
Brochure, Krause 1997.
Brochure, The Little Giant Ladder System® Fiberglass, Wing Enterprises , prior to Nov. 15, 2012.
Werner M Series Articulated Ladder (2 pages), prior to Nov. 15, 2012.
Werner M2 Series Articulated Ladder (2 pages), prior to Nov. 15, 2012.
Werner Model 6002 Series (2 pages), prior to Nov. 15, 2012.
Wing Little Giant Ultra-Lite 2002 http://www.ladders.com/ultralite.htm (2 pages) prior to Nov. 15, 2012.
Cosco World's Greatest™ Ladders, http://www.coscoproducts.com/cosco/searchresults.asp?searchType=catergory&searchValue=31, prior to Nov. 15, 2012.