Hinge for a multi-position ladder

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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.

Referenced Cited
U.S. Patent Documents
317024 May 1885 Schumann
445453 January 1891 Nowland
453193 June 1891 Kinser
1942210 January 1934 Harting
1973774 September 1934 Pflugradt
2144440 January 1939 Gaffers
2186119 January 1940 Moen
2650014 August 1953 Harrison
3002582 October 1961 Marcelis
3318413 May 1967 Werner et al.
3327385 June 1967 Shaver
3476211 November 1969 Cormier
3481026 December 1969 Lindesmith et al.
3692143 September 1972 Kümmerlin et al.
3811151 May 1974 Kuemmerlin
3849834 November 1974 Mayer
3850533 November 1974 Thielen
4027741 June 7, 1977 Derrick
4031981 June 28, 1977 Spencer
4060150 November 29, 1977 Hughes
4061203 December 6, 1977 Spencer et al.
D248777 August 1, 1978 Spencer et al.
RE30020 June 5, 1979 Spencer et al.
4182431 January 8, 1980 Wing
4210224 July 1, 1980 Kummerlin et al.
4216844 August 12, 1980 Klafs
4298093 November 3, 1981 Wing
4371055 February 1, 1983 Ashton et al.
4376470 March 15, 1983 Ashton
4407045 October 4, 1983 Boothe
4469193 September 4, 1984 Rumsey, Jr.
4470045 September 4, 1984 Anderson
4474264 October 2, 1984 Krause
4483415 November 20, 1984 Disston et al.
4502566 March 5, 1985 Wing
4540306 September 10, 1985 Wang
4566150 January 28, 1986 Boothe
4597687 July 1, 1986 Colas
4602889 July 29, 1986 Mu-Shan
4656721 April 14, 1987 Werner
4666327 May 19, 1987 Su
4666328 May 19, 1987 Ryu
4697305 October 6, 1987 Boothe
4698896 October 13, 1987 Osterwald et al.
4770559 September 13, 1988 Yoo
4774503 September 27, 1988 Bussard
4824278 April 25, 1989 Chang
4859109 August 22, 1989 Targetti
4881843 November 21, 1989 Randleman
4890950 January 2, 1990 Yoo
D309502 July 24, 1990 Wing et al.
4947959 August 14, 1990 Yuen
4951780 August 28, 1990 Kim
4967879 November 6, 1990 Klafs et al.
4974701 December 4, 1990 Parise
5002153 March 26, 1991 Yuen
5026198 June 25, 1991 Lin
5074377 December 24, 1991 Krause
5163532 November 17, 1992 McCarty
5228535 July 20, 1993 McCarty
5279387 January 18, 1994 Swiderski et al.
5353892 October 11, 1994 Lu
5359812 November 1, 1994 Mayfield
5366051 November 22, 1994 Bartnicki et al.
5419084 May 30, 1995 Sankey et al.
5487207 January 30, 1996 Rey
5515942 May 14, 1996 Woodfield
5620272 April 15, 1997 Sheng
5752579 May 19, 1998 Takahashi
5775460 July 7, 1998 Stone
5954157 September 21, 1999 Grimes et al.
5966777 October 19, 1999 Jantschek
5992566 November 30, 1999 Yeh
6032759 March 7, 2000 Yeh
6141909 November 7, 2000 Hanson
6220389 April 24, 2001 Krause
6269909 August 7, 2001 Grimes et al.
6298605 October 9, 2001 Delefosse et al.
6343406 February 5, 2002 Yeh
6347687 February 19, 2002 Alim
6390238 May 21, 2002 Gibson et al.
6533882 March 18, 2003 Woodside
6857503 February 22, 2005 Simpson et al.
6866117 March 15, 2005 Moss
7047597 May 23, 2006 Lee
7108103 September 19, 2006 Meeker
7140072 November 28, 2006 Leng
D554771 November 6, 2007 Skubic et al.
7364017 April 29, 2008 Moss et al.
D631562 January 25, 2011 Han
7861826 January 4, 2011 Meyers et al.
D710031 July 29, 2014 Simpson et al.
8919497 December 30, 2014 Rund
8997931 April 7, 2015 Parker et al.
9404305 August 2, 2016 Messick
9416591 August 16, 2016 Kieffer et al.
9580959 February 28, 2017 Kieffer et al.
D860476 September 17, 2019 Foley
10487580 November 26, 2019 Miao
D908924 January 26, 2021 Melton
D914912 March 30, 2021 Barker
20020017431 February 14, 2002 Gibson et al.
20020166727 November 14, 2002 Cramer et al.
20030037412 February 27, 2003 Lee
20030108380 June 12, 2003 Schweitz et al.
20030188923 October 9, 2003 Moss
20040000449 January 1, 2004 Meeker
20040007424 January 15, 2004 Simpson
20040129497 July 8, 2004 Weiss
20050029044 February 10, 2005 Latimer et al.
20070181369 August 9, 2007 Gibson et al.
20100172690 July 8, 2010 Cash et al.
20110024234 February 3, 2011 Lin
20110272923 November 10, 2011 Chen
20120061182 March 15, 2012 Grimes
20120181109 July 19, 2012 Rund
20140224585 August 14, 2014 Russell et al.
20150159434 June 11, 2015 Leng
20150233181 August 20, 2015 Walsh
20180209474 July 26, 2018 Klein et al.
Foreign Patent Documents
195 39 157 April 1997 DE
0 324 885 July 1989 EP
1002235 August 1997 NL
Other references
  • 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.
Patent History
Patent number: D935055
Type: Grant
Filed: Aug 7, 2019
Date of Patent: Nov 2, 2021
Assignee: Tricam Industries, Inc. (Eden Prairie, MN)
Inventors: Joseph P. Foley (St. Paul, MN), Benjamin P. Williams (Chaska, MN)
Primary Examiner: Gino Colan
Application Number: 29/701,008
Classifications
Current U.S. Class: Element Of Attachment (13) (D25/68)