Scaffold with leg lock

Details Scaffold with leg lock Scaffold with leg lock

2005-05-17

2005-05-17

Thompson, II, Hugh B. (Department: 3634)

Fire escape, ladder, or scaffold

Platform

C108S119000, C108S131000

Reexamination Certificate

active

06892860

ABSTRACT:
A scaffold includes a platform, a pivotable leg unit, and a leg lock. The leg lock is used to lock the leg unit in an extended position for use of the scaffold.

REFERENCES:
patent: 391182 (1888-10-01), Nosker
patent: 1627454 (1927-05-01), Phalon
patent: 3700072 (1972-10-01), Lovett
patent: 3845728 (1974-11-01), Piretti
patent: 3857343 (1974-12-01), Greenberg
patent: 4047594 (1977-09-01), Eisenberg
patent: 4241808 (1980-12-01), Middleton et al.
patent: 4298096 (1981-11-01), Prior
patent: 4462636 (1984-07-01), Markson
patent: 4570752 (1986-02-01), Chapman et al.
patent: 4576251 (1986-03-01), Matsuura et al.
patent: 4640385 (1987-02-01), Underhill
patent: 4645162 (1987-02-01), Roy et al.
patent: 4690248 (1987-09-01), Killeen
patent: 4823913 (1989-04-01), Riegel, Jr.
patent: 4880080 (1989-11-01), Brockman
patent: 4951780 (1990-08-01), Kim
patent: 5031723 (1991-07-01), Hooten
patent: 5082249 (1992-01-01), Havlovitz
patent: 5096019 (1992-03-01), Kelsay
patent: 5191954 (1993-03-01), Ledford
patent: 5275256 (1994-01-01), Ellzey
patent: 5342008 (1994-08-01), Kay
patent: 5358070 (1994-10-01), Bartnicki et al.
patent: 5368126 (1994-11-01), Woodward et al.
patent: 5419409 (1995-05-01), Corulla
patent: 5431249 (1995-07-01), Tredup
patent: 5544718 (1996-08-01), Schumacher
patent: 5622463 (1997-04-01), Testa
patent: 5673885 (1997-10-01), Pham
patent: 5722507 (1998-03-01), Kain
patent: 5740883 (1998-04-01), Trank
patent: 5758744 (1998-06-01), Forino
patent: 5865269 (1999-02-01), Eskesen
patent: 5913380 (1999-06-01), Gugel et al.
patent: 5937968 (1999-08-01), Gibson et al.
patent: 5954156 (1999-09-01), Cooke
patent: 5967259 (1999-10-01), Williams
patent: 6000497 (1999-12-01), Kain et al.
patent: 6131699 (2000-10-01), Leak, Jr.
patent: 6209683 (2001-04-01), Holtz
patent: 6341666 (2002-01-01), Allen
patent: 6390238 (2002-05-01), Gibson et al.
patent: 6427804 (2002-08-01), Lazarus
patent: 6427805 (2002-08-01), Gibson et al.
patent: 6443260 (2002-09-01), Katz et al.
patent: 6454050 (2002-09-01), Gibson et al.
patent: 6536557 (2003-03-01), Gibson et al.
patent: 6550579 (2003-04-01), Gibson et al.
patent: 20020017430 (2002-02-01), Rosko
patent: 20020166725 (2002-11-01), Gulledge
patent: 20030029676 (2003-02-01), Gibson et al.
Images of product from Tricam Industries (6 pages) (before May 28, 2003).

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