Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning
Design Patent
2001-08-27
2002-04-16
Douglas, Alan P. (Department: 2911)
Bleaching and dyeing; fluid treatment and chemical modification
Treatment of hides, skins, feathers and animal tissues
Tanning
Design Patent
active
D0455636
CLAIM:
The ornamental design for a bolt with stepped head, as shown and described.
REFERENCES:
patent: 1620193 (1927-03-01), Coates
patent: D218017 (1970-07-01), Brown
patent: 4802700 (1989-02-01), Stevenson et al.
patent: 5127687 (1992-07-01), Guiler
patent: 5732989 (1998-03-01), Stevenson et al.
patent: 6069563 (2000-05-01), Kadner et al.
Gilbert Stanley
Neely William
Ridenour Rodney
Walker Brandon
Carella Byrne Bain Gilfillan Cecchi et al.
Douglas Alan P.
Gilfillan III John G.
Heflin Clare E.
Squire William
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