USD304438SExpiredUtility

Helicopter windshield unit

27
Assignee: HELI PLEX INCPriority: May 21, 1987Filed: May 21, 1987Granted: Nov 7, 1989
Est. expiryMay 21, 2007(expired)· nominal 20-yr term from priority
Inventors:Herman H. Waldrup
27
PatentIndex Score
3
Cited by
1
References
1
Claims

Claims

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

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