USD268909SExpiredUtility
Level tool
Individually held — no corporate assignee on recordPriority: Aug 15, 1980Filed: Aug 15, 1980Granted: May 10, 1983
Est. expiryAug 15, 2000(expired)· nominal 20-yr term from priority
Inventors:Robert L. Doan
57
PatentIndex Score
9
Cited by
5
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a level tool, as shown.
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