USD269852SExpiredUtility

Lock washer

94
Individually held — no corporate assignee on recordPriority: Oct 13, 1981Filed: Oct 13, 1981Granted: Jul 26, 1983
Est. expiryOct 13, 2001(expired)· nominal 20-yr term from priority
Inventors:Bengt O. Frieberg
94
PatentIndex Score
39
Cited by
2
References
1
Claims

Claims

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

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