Split level, rotary control knob

Details Split level, rotary control knob Split level, rotary control knob

2001-10-23

2002-09-10

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

D0462599

CLAIM:
The ornamental design for a split level, rotary control knob, as shown and described.

REFERENCES:
patent: D132433 (1942-05-01), Pellegrin
patent: 2798404 (1957-07-01), Schaefer et al.
patent: D182752 (1958-05-01), Young
patent: 3066550 (1962-12-01), Sundberg
patent: 3783708 (1974-01-01), Witkowski
patent: 4018465 (1977-04-01), Ramler
patent: 4219232 (1980-08-01), Kouth
patent: 4616524 (1986-10-01), Bidoia
patent: D297760 (1988-09-01), Paul
patent: D325865 (1992-05-01), Del Corno
patent: 5128503 (1992-07-01), Frantz
patent: 5585578 (1996-12-01), Shimotori
patent: 6035492 (2000-03-01), Warshaviak
patent: 6281453 (2001-08-01), Uleski

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