Walker

Details Walker Walker

2005-04-12

2005-04-12

Jackson, Marcus A. (Department: 2911)

Transportation

Perambulator, invalid chair, or stretcher

Walker

Design Patent

active

D0503909

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

REFERENCES:
patent: 4759562 (1988-07-01), Vinyard et al.
patent: 5158313 (1992-10-01), Becker
patent: D356762 (1995-03-01), Silbersky
patent: D396437 (1998-07-01), Liljedahl
patent: 6378883 (2002-04-01), Epstein
patent: 6481730 (2002-11-01), Sung
patent: D481336 (2003-10-01), Wu
patent: D495628 (2004-09-01), Cowie
patent: 311925 (1969-10-01), None
patent: 176593 (1995-05-01), None
patent: 514 269 (2001-01-01), None
patent: WO 9206661 (1992-04-01), None
patent: WO 9843591 (1997-08-01), None

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