Adjustable ladder extension

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Description

FIG. 1 is a perspective view of an adjustable ladder extension showing my new design;

FIG. 2 is a top view shown at an enlarged scale thereof;

FIG. 3 is a bottom view shown at an enlarged scale thereof;

FIG. 4 is front view shown at an enlarged scale thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a right side view thereof; and,

FIG. 8 is an enlarged view of a portion taken from FIG. 4.

Claims

The ornamental design for an adjustable ladder extension, as shown and described.

Referenced Cited
U.S. Patent Documents
1246709 November 1917 Brown
1377543 May 1921 Alm
2115395 April 1938 Marvin
D183691 October 1958 Grover
D199732 December 1964 Grove
D234566 March 1975 Lombard
D242628 December 7, 1976 Scrivener
4249638 February 10, 1981 Fernandez
4423797 January 3, 1984 Batten
4844208 July 4, 1989 Veness
4852689 August 1, 1989 Erion
D318793 August 6, 1991 Sutton
5094320 March 10, 1992 Deitz
5107958 April 28, 1992 Johnson
5222575 June 29, 1993 Santos
5307900 May 3, 1994 Noga
5325936 July 5, 1994 Baker
5335754 August 9, 1994 Gibson
D359365 June 13, 1995 Greene
D364930 December 5, 1995 Burge et al.
D371608 July 9, 1996 Mintz
5551529 September 3, 1996 Molitor
D378347 March 11, 1997 Bain
D380277 June 24, 1997 Bonn et al.
5678656 October 21, 1997 Lanzafame
5704451 January 6, 1998 King
5758745 June 2, 1998 Beggs
5845744 December 8, 1998 Beck
5908085 June 1, 1999 Lovelady
5913382 June 22, 1999 Martin
D420752 February 15, 2000 Hiscock
6196353 March 6, 2001 Howard
6234273 May 22, 2001 Moore
D443198 June 5, 2001 Snyder
6450292 September 17, 2002 Sheffield
D468448 January 7, 2003 Blehm
6595326 July 22, 2003 Dean
6640931 November 4, 2003 Palmer
D485369 January 13, 2004 Ranagan et al.
D498855 November 23, 2004 Dean
7222696 May 29, 2007 Jackson
D557112 December 11, 2007 Franssen
D584422 January 6, 2009 Dangrow et al.
D586479 February 10, 2009 Hockemeyer
7556125 July 7, 2009 Blehm
D599193 September 1, 2009 Meyer
D599194 September 1, 2009 Meyer
D599272 September 1, 2009 Feder
D623342 September 7, 2010 Klu
D639585 June 14, 2011 Shen
D656251 March 20, 2012 Underkofler
D657073 April 3, 2012 Reves
8225906 July 24, 2012 Kieffer
8256573 September 4, 2012 Dangrow
8297406 October 30, 2012 Yeh
8365865 February 5, 2013 Moss
D702534 April 15, 2014 Nowak
D702860 April 15, 2014 Rice
D709628 July 22, 2014 Rice
D709629 July 22, 2014 Rice
D718875 December 2, 2014 Ramos Moreno
8974334 March 10, 2015 Stephenson
9010491 April 21, 2015 Trang
9033104 May 19, 2015 Calloway
9151115 October 6, 2015 Forte, Jr.
9322215 April 26, 2016 Kurzer
D757141 May 24, 2016 Rechberg
D782709 March 28, 2017 Quintile
D796063 August 29, 2017 Dettbarn
9777535 October 3, 2017 Stentiford, Sr.
D808042 January 16, 2018 Lanzafame
D811855 March 6, 2018 Stultz
D819230 May 29, 2018 Lanzafame
10047561 August 14, 2018 Lanzafame
D832494 October 30, 2018 Antony
10107035 October 23, 2018 Lanzafame
D843600 March 19, 2019 Schmidt
D846155 April 16, 2019 Beland
D846971 April 30, 2019 Wilson
20050269156 December 8, 2005 Lanzafame
20080190697 August 14, 2008 Skurkis
20110214946 September 8, 2011 Yeh
20150233180 August 20, 2015 Lanzafame
Patent History
Patent number: D869688
Type: Grant
Filed: Dec 6, 2017
Date of Patent: Dec 10, 2019
Assignee: (Poulsbo, WA)
Inventor: Philip F. Lanzafame (Poulsbo, WA)
Primary Examiner: Cynthia Ramirez
Assistant Examiner: Michael A Maharajh
Application Number: 29/628,577
Classifications