Ladder

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Description

FIG. 1 is a front perspective view of a ladder of the present invention;

FIG. 2 is a frontal view of the ladder;

FIG. 3 is a rear view of the ladder;

FIG. 4 is a first side view of the ladder;

FIG. 5 is a second side view of the ladder;

FIG. 6 is a bottom view of the ladder; and,

FIG. 7 is a top view of the ladder.

Claims

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

Referenced Cited
U.S. Patent Documents
202426 April 1878 Evans
281977 July 1886 Coons
475935 May 1892 Crews
515783 March 1894 Moore
799782 September 1905 Ellinger
840365 January 1907 Pease
886737 May 1908 Taylor
1385319 July 1921 Enke
1521814 January 1925 Houska
1811722 June 1931 Kimberlin
1812119 June 1931 Ruse
2007057 July 1935 McNeal
2129401 September 1938 Botinger et al.
2471110 May 1949 Jenkins
2574286 November 1951 Rein
2584197 February 1952 Garner
2887260 May 1959 McKinnie
2934163 April 1960 Ladewski
3288248 November 1966 Gurian et al.
3374860 March 1968 Stewart
3508628 April 1970 Conrad
3768592 October 1973 Higgins
3882966 May 1975 Fasano
3933221 January 20, 1976 Sorenson
4069893 January 24, 1978 Blackstone
4147231 April 3, 1979 Chantler et al.
4207886 June 17, 1980 Sorenson
4244446 January 13, 1981 Mair
4421206 December 20, 1983 Kummerlin
4483415 November 20, 1984 Disston et al.
4520896 June 4, 1985 Disston
4542874 September 24, 1985 Ronning
4565262 January 21, 1986 Hawkins
4569419 February 11, 1986 Stoltz
4669576 June 2, 1987 Jones
4723629 February 9, 1988 Vanden Hoek et al.
4798262 January 17, 1989 Margolies
4807720 February 28, 1989 Kim
4899849 February 13, 1990 Levi et al.
4949809 August 21, 1990 Levi et al.
4971167 November 20, 1990 Winnard
5033584 July 23, 1991 Battle
5086876 February 11, 1992 Severson
5165501 November 24, 1992 Donahey
5195610 March 23, 1993 Chang
5267631 December 7, 1993 Mendel
5335754 August 9, 1994 Gibson
5341899 August 30, 1994 Casamento
5423397 June 13, 1995 Boughner
5507364 April 16, 1996 Spevak
5522473 June 4, 1996 Moselsky
5551529 September 3, 1996 Molitor
5590739 January 7, 1997 High et al.
5752581 May 19, 1998 Orchowski
D413681 September 7, 1999 Zumwalt
6019191 February 1, 2000 Flores
6382353 May 7, 2002 Laug
6450290 September 17, 2002 Spak
6533071 March 18, 2003 Smith
6595326 July 22, 2003 Dean
6688426 February 10, 2004 Mikros
6948591 September 27, 2005 Scott et al.
6959785 November 1, 2005 Chilton
7017711 March 28, 2006 Ali
7163084 January 16, 2007 Blehm
7293630 November 13, 2007 Trebec
D565745 April 1, 2008 Meyers et al.
D576290 September 2, 2008 Meyers et al.
7487859 February 10, 2009 Wang
8002084 August 23, 2011 Huang
D650915 December 20, 2011 Gross et al.
8127890 March 6, 2012 Meyers et al.
8365865 February 5, 2013 Moss et al.
8640827 February 4, 2014 Breithaupt, Jr.
20010015303 August 23, 2001 Laug
20060272899 December 7, 2006 Chang
20070181370 August 9, 2007 Kemp-Banks
20080000720 January 3, 2008 Porch et al.
20090045013 February 19, 2009 McMurray
20090107765 April 30, 2009 Germond
20100147623 June 17, 2010 Pocos
20110067954 March 24, 2011 Deal
Foreign Patent Documents
2099060 December 1982 GB
2146688 April 1985 GB
2166793 May 1986 GB
2218451 November 1989 GB
Other references
  • PCT/US10/29606—International Bureau Preliminary Report on Patentability dated Oct. 31, 2011.
  • PCT/US10/29606—ISR dated May 21, 2010.
  • PCT/US11/50882—ISR and Opinion dated Jan. 5, 2012.
Patent History
Patent number: D722181
Type: Grant
Filed: Sep 9, 2013
Date of Patent: Feb 3, 2015
Assignee: Lock N Climb, LLC (Bartlesville, OK)
Inventor: Jeffrey Alan Green (Bartlesville, OK)
Primary Examiner: Doris Clark
Application Number: 29/466,540
Classifications
Current U.S. Class: Ladder (D25/64)