USD284834SExpiredUtility

Locking device for a rigging screw

33
Individually held — no corporate assignee on recordPriority: Mar 21, 1983Filed: Sep 19, 1983Granted: Jul 29, 1986
Est. expiryMar 21, 2003(expired)· nominal 20-yr term from priority
Inventors:Bo T. Hoffstrom
33
PatentIndex Score
5
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a locking device for a rigging screw, as shown.

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