USD268566SExpiredUtility

Reversible lock washer

81
Individually held — no corporate assignee on recordPriority: Sep 28, 1981Filed: Sep 28, 1981Granted: Apr 12, 1983
Est. expirySep 28, 2001(expired)· nominal 20-yr term from priority
Inventors:Bengt O. Frieberg
81
PatentIndex Score
17
Cited by
2
References
1
Claims

Claims

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

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