Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning
Design Patent
2005-03-08
2005-03-08
Hyder, Philip S. (Department: 2912)
Bleaching and dyeing; fluid treatment and chemical modification
Treatment of hides, skins, feathers and animal tissues
Tanning
Design Patent
active
D0502640
CLAIM:
I claim the ornamental design for a razor knife, as shown and described.
REFERENCES:
patent: 3324548 (1967-06-01), Mascia
patent: 3965575 (1976-06-01), Stunger
patent: 4821418 (1989-04-01), Windhager
patent: 5208984 (1993-05-01), Negus
patent: D379293 (1997-05-01), Schultz
patent: D391821 (1998-03-01), Schultz
patent: D393329 (1998-04-01), Ido et al.
patent: D395589 (1998-06-01), Schaeffer
Calfee Halter & Griswold LLP
Hyder Philip S.
Zinsser Co., Inc.
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