USD259476SExpiredUtility

Ruler

73
Individually held — no corporate assignee on recordPriority: Jul 9, 1979Filed: Jul 9, 1979Granted: Jun 9, 1981
Est. expiryJul 9, 1999(expired)· nominal 20-yr term from priority
Inventors:Irene B. FeingoldStanley Z. Feingold
73
PatentIndex Score
12
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a ruler, as shown.

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