USD246856SExpiredUtility

Air impeller

77
Assignee: TORIN CORPPriority: Feb 9, 1976Filed: Feb 9, 1976Granted: Jan 3, 1978
Est. expiryFeb 9, 1996(expired)· nominal 20-yr term from priority
Inventors:John O'Connor
77
PatentIndex Score
12
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an air impeller, as shown.

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