USD308224SExpiredUtility

Combined perpetual calendar and file

18
Assignee: BLACKER ALLANPriority: Jul 25, 1985Filed: Jul 25, 1985Granted: May 29, 1990
Est. expiryJul 25, 2005(expired)· nominal 20-yr term from priority
Inventors:Allan Blacker
18
PatentIndex Score
3
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a combined perpetual calendar and file, substantially as shown and described.

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