USD263791SExpiredUtility

Lock washer

Individually held — no corporate assignee on recordPriority: Jan 28, 1980Filed: Jan 28, 1980Granted: Apr 13, 1982

Est. expiryJan 28, 2000(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for a lock washer, as shown.

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