Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning
Design Patent
2001-01-23
2001-11-20
Bullock, B. J. (Department: 2912)
Bleaching and dyeing; fluid treatment and chemical modification
Treatment of hides, skins, feathers and animal tissues
Tanning
Design Patent
active
D0450558
CLAIM:
The ornamental design for a thumbturn for deadbolt lock, as shown and described.
REFERENCES:
patent: D. 213623 (1969-03-01), Austin
patent: D. 372854 (1996-08-01), Jumenez
patent: 4014573 (1977-03-01), Kehnoff
patent: 5027629 (1991-07-01), Liu
patent: 5586796 (1996-12-01), Fraser
patent: 6170305 (2001-01-01), Shan
Bullock B. J.
Michael & Best & Friedrich LLP
Schlage Lock Company
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