USD250934SExpiredUtility

Digital darkroom timer

Assignee: FANNIN HOWARD MPriority: Dec 6, 1976Filed: Dec 6, 1976Granted: Jan 30, 1979
Est. expiryDec 6, 1996(expired)· nominal 20-yr term from priority
66
PatentIndex Score
14
Cited by
1
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a digital darkroom timer, as shown and described.

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