USD322581SExpiredUtility

Airplane level

15
Assignee: HEATH ALPriority: Feb 19, 1988Filed: Feb 19, 1988Granted: Dec 24, 1991
Est. expiryFeb 19, 2008(expired)· nominal 20-yr term from priority
Inventors:Al Heath
15
PatentIndex Score
2
Cited by
1
References
1
Claims

Claims

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

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