Ladder anchor

Details Ladder anchor Ladder anchor

2010-04-27

2010-11-23

Clark, Doris (Department: 2914)

Building units and construction elements

Stair, ladder, scaffold, or similar support

Element or attachment

Design Patent

active

D0627902

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

REFERENCES:
patent: D343907 (1994-02-01), Porter
patent: 5337856 (1994-08-01), Fillers
patent: 5423397 (1995-06-01), Boughner
patent: 5865268 (1999-02-01), Finneran et al.
patent: 5918699 (1999-07-01), Summers
patent: 6196353 (2001-03-01), Howard
patent: D474284 (2003-05-01), Spencer et al.
patent: 2010/0051384 (2010-03-01), Currie

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