2006-03-21
2006-03-21
Snapp, Sandra S. (Department: 2915)
Design Patent
active
D0517307
CLAIM:
The ornamental design for a flat umbrella shaft, as shown and described.
REFERENCES:
patent: 1632639 (1927-06-01), Weise
patent: 5493480 (1996-02-01), Huang
patent: 5702198 (1997-12-01), Kuo
patent: 6371686 (2002-04-01), Wu
patent: 6418949 (2002-07-01), Lin et al.
patent: D487843 (2004-03-01), Ko
patent: D503035 (2005-03-01), Ko
patent: 2004/0069334 (2004-04-01), Ko
Rosenberg , Klein & Lee
Snapp Sandra S.
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