USD265177SExpiredUtility
Aid for the addition of columnar arranged driving hours
Individually held — no corporate assignee on recordPriority: Jul 11, 1980Filed: Jul 11, 1980Granted: Jun 29, 1982
Est. expiryJul 11, 2000(expired)· nominal 20-yr term from priority
Inventors:Harold E. Skinner
63
PatentIndex Score
16
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an aid for the addition of columnar arranged driving hours, as shown.
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