USD257671SExpiredUtility

Adjustable level

59
Individually held — no corporate assignee on recordPriority: Mar 12, 1979Filed: Mar 12, 1979Granted: Dec 23, 1980
Est. expiryMar 12, 1999(expired)· nominal 20-yr term from priority
Inventors:Clayton A. Elliott
59
PatentIndex Score
7
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an adjustable level, substantially as shown and described.

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