USD273657SExpiredUtility

Screw starter

49
Individually held — no corporate assignee on recordPriority: Jul 9, 1981Filed: Jul 9, 1981Granted: May 1, 1984
Est. expiryJul 9, 2001(expired)· nominal 20-yr term from priority
Inventors:Robert Hanks
49
PatentIndex Score
5
Cited by
3
References
1
Claims

Claims

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

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