Ladder

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Description

FIG. 1 is a perspective view of a ladder;

FIG. 2 is a front view of the ladder shown in FIG. 1;

FIG. 3 is a rear view of the ladder shown in FIG. 1;

FIG. 4 is a right side view of the ladder shown in FIG. 1;

FIG. 5 is a left side view of the ladder shown in FIG. 1; and,

FIG. 6 is a top side view of the ladder shown in FIG. 1.

The broken lines in the figures are shown for the purpose of illustrating boundaries of the ladder and form no part of the claimed design.

Claims

The ornamental design for a ladder, as shown and described.

Referenced Cited
U.S. Patent Documents
507784 October 1893 Congdon
1024380 April 1912 Vierheller
2316939 April 1943 De Luca
2639853 May 1953 Pierce
2899008 August 1959 Larson
4155422 May 22, 1979 Larson et al.
4182431 January 8, 1980 Wing et al.
1284171 August 1981 Owen
4376470 March 15, 1983 Ashton
4407045 October 4, 1983 Boothe
4549632 October 29, 1985 Inoue
4560030 December 24, 1985 Mucelli
4566150 January 28, 1986 Boothe
4593790 June 10, 1986 Brewer et al.
4666327 May 19, 1987 Su
4666328 May 19, 1987 Ryu
4697305 October 6, 1987 Boothe
D310884 September 25, 1990 Patton et al.
5228511 July 20, 1993 Boquel et al.
D340773 October 26, 1993 Bartnicki et al.
5279387 January 18, 1994 Swiderski et al.
5511285 April 30, 1996 Bush et al.
5573081 November 12, 1996 Bartnicki et al.
D388883 January 6, 1998 Thivierge et al.
5850894 December 22, 1998 Busenhart
5937968 August 17, 1999 Gibson et al.
6220389 April 24, 2001 Krause
6343406 February 5, 2002 Yeh
6443260 September 3, 2002 Katz et al.
6711780 March 30, 2004 Lee
6866117 March 15, 2005 Moss
7032711 April 25, 2006 Katz et al.
D549356 August 21, 2007 Gibson
D576290 September 2, 2008 Meyers
D576291 September 2, 2008 Latimer
D597685 August 4, 2009 Gibson et al.
7575097 August 18, 2009 Sheridan et al.
7753170 July 13, 2010 Gibson
7886872 February 15, 2011 Astor
8186481 May 29, 2012 Moss et al.
8210313 July 3, 2012 Astor
8251180 August 28, 2012 Paige
9016434 April 28, 2015 Moss et al.
D764073 August 16, 2016 Wang
D766461 September 13, 2016 Peterson et al.
D766462 September 13, 2016 Peterson et al.
D766463 September 13, 2016 Peterson et al.
D819834 June 5, 2018 Fiedeler
10030448 July 24, 2018 Miller
10087682 October 2, 2018 Pfeifer
10138680 November 27, 2018 Williams et al.
D835807 December 11, 2018 Lentine et al.
D840055 February 5, 2019 Jeff
10487576 November 26, 2019 Ballard et al.
10487578 November 26, 2019 Smith et al.
10590703 March 17, 2020 Parker et al.
10597941 March 24, 2020 Moss
10612305 April 7, 2020 Mora et al.
D885607 May 26, 2020 Miner et al.
10648234 May 12, 2020 Skubic
D911555 February 23, 2021 Maxfield et al.
D912847 March 9, 2021 Maxfield et al.
D912848 March 9, 2021 Maxfield et al.
D920541 May 25, 2021 Mittanck
D921224 June 1, 2021 Mittanck
D935054 November 2, 2021 Maxfield
D943772 February 15, 2022 Maxfield
D944417 February 22, 2022 B. et al.
11274494 March 15, 2022 Leng
20030188923 October 9, 2003 Moss
20050173194 August 11, 2005 Pate et al.
20060060423 March 23, 2006 Astor
20080107529 May 8, 2008 Friedman
20080149421 June 26, 2008 Barker
20100200331 August 12, 2010 Hager
20110024232 February 3, 2011 Leng
20120097481 April 26, 2012 Schienke et al.
20140251729 September 11, 2014 Parker
20160076304 March 17, 2016 Smith et al.
20160348434 December 1, 2016 Williams et al.
20170130530 May 11, 2017 Lawler et al.
20170152710 June 1, 2017 Miller
20170356244 December 14, 2017 Peterson et al.
20180002982 January 4, 2018 Dressel
20180171714 June 21, 2018 Dings
20180187489 July 5, 2018 Parker et al.
20180230746 August 16, 2018 Maxfield et al.
20180258698 September 13, 2018 Minock
20180298691 October 18, 2018 Cook et al.
20190376341 December 12, 2019 Maxfield et al.
20200048962 February 13, 2020 Moreno Moncada
Foreign Patent Documents
2881525 September 2015 CA
200146389 June 1999 KR
Other references
  • International Search Report and Written Opinion dated Nov. 13, 2019 for International Application No. PCT/US2019/036172.
  • International Search Report and Written Opinion for International Application No. PCT/US2020/015074 dated Apr. 1, 2020.
Patent History
Patent number: D966557
Type: Grant
Filed: Nov 2, 2021
Date of Patent: Oct 11, 2022
Assignee: LITTLE GIANT LADDER SYSTEMS, LLC (Springville, UT)
Inventors: B. Scott Maxfield (Mapleton, UT), N. Ryan Moss (Mapleton, UT), Brian B. Russell (Saratoga Springs, UT)
Primary Examiner: Gino Colan
Application Number: 29/813,906
Classifications
Current U.S. Class: Ladder (D25/64)