USD297005SExpiredUtility

Helicopter

42
Assignee: UNITED TECHNOLOGIES CORPPriority: Mar 13, 1986Filed: Mar 13, 1986Granted: Aug 2, 1988
Est. expiryMar 13, 2006(expired)· nominal 20-yr term from priority
Inventors:Andrew C. Whyte
42
PatentIndex Score
4
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a helicopter, as shown.

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