Ladder hinge pair

Details Ladder hinge pair Ladder hinge pair

2007-10-23

2007-10-23

Clark, Doris (Department: 2914)

Building units and construction elements

Stair, ladder, scaffold, or similar support

Element or attachment

Design Patent

active

29253759

CLAIM:
The ornamental design for a ladder hinge pair, as shown and described.

REFERENCES:
patent: 453193 (1891-06-01), Kinser
patent: 1973774 (1934-09-01), Pflugradt
patent: 2144440 (1939-01-01), Gaffers
patent: 2186119 (1940-01-01), Moen
patent: 3002582 (1961-10-01), Marcelis
patent: 3318413 (1967-05-01), Werner et al.
patent: 3327385 (1967-06-01), Shaver
patent: 3692143 (1972-09-01), Kümmerlin et al.
patent: 3811151 (1974-05-01), Kuemmerlin
patent: 3849834 (1974-11-01), Mayer
patent: D248777 (1978-08-01), Spencer et al.
patent: RE30020 (1979-06-01), Spencer et al.
patent: 4182431 (1980-01-01), Wing
patent: 4210224 (1980-07-01), Kummerlin et al.
patent: 4371055 (1983-02-01), Ashton et al.
patent: 4376470 (1983-03-01), Ashton
patent: 4407045 (1983-10-01), Boothe
patent: 4474264 (1984-10-01), Krause
patent: 4540306 (1985-09-01), Wang
patent: 4566150 (1986-01-01), Boothe
patent: 4597687 (1986-07-01), Colas
patent: 4656721 (1987-04-01), Werner
patent: 4697305 (1987-10-01), Boothe
patent: 4698896 (1987-10-01), Osterwald et al.
patent: 4773503 (1988-09-01), Purkapile
patent: 4890950 (1990-01-01), Yoo
patent: D309502 (1990-07-01), Wing et al.
patent: 4947959 (1990-08-01), Yuen
patent: 4967879 (1990-11-01), Klafs et al.
patent: 4974701 (1990-12-01), Parise
patent: 5002153 (1991-03-01), Yuen
patent: 5279387 (1994-01-01), Swiderski et al.
patent: 5353892 (1994-10-01), Lu
patent: 5359812 (1994-11-01), Mayfield
patent: 5366051 (1994-11-01), Bartnicki et al.
patent: 5419084 (1995-05-01), Sankey et al.
patent: D359366 (1995-06-01), Spevak
patent: 5515942 (1996-05-01), Woodfield
patent: 5954157 (1999-09-01), Grimes et al.
patent: 5966777 (1999-10-01), Jantschek
patent: 6032759 (2000-03-01), Yeh
patent: 6141909 (2000-11-01), Hanson
patent: 6220389 (2001-04-01), Krause
patent: 6269909 (2001-08-01), Grimes et al.
patent: 6298605 (2001-10-01), Delefosse et al.
patent: 6343406 (2002-02-01), Yeh
patent: D459483 (2002-06-01), Roy
patent: 6533882 (2003-03-01), Woodside
patent: 6866117 (2005-03-01), Moss
patent: 7047597 (2006-05-01), Lee
patent: 2004/0140156 (2004-07-01), Moss et al.
patent: 195 39 157 (1997-04-01), None
patent: 0 324 885 (1989-07-01), None
patent: 1002235 (1997-08-01), None
PCT International Search Report dated Jul. 19, 2004 for International Application No. PCT/US 03/36043 (6 pages).

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