USD277391SExpiredUtility

Perpetual calendar

Assignee: MOONEY HELENPriority: Jul 26, 1982Filed: Jul 26, 1982Granted: Jan 29, 1985
Est. expiryJul 26, 2002(expired)· nominal 20-yr term from priority
Inventors:Helen Mooney
27
PatentIndex Score
4
Cited by
5
References
1
Claims

Claims

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

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