USD326981SExpiredUtility

Grate lock

38
Individually held — no corporate assignee on recordPriority: Jul 5, 1989Filed: Jul 5, 1989Granted: Jun 16, 1992
Est. expiryJul 5, 2009(expired)· nominal 20-yr term from priority
Inventors:Russell A. Balven
38
PatentIndex Score
5
Cited by
7
References
1
Claims

Claims

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

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