USD401898SExpiredUtility

Variable diameter tilt rotor aircraft

Assignee: SIKORSKY AIRCRAFT CORPPriority: Dec 23, 1996Filed: Dec 23, 1996Granted: Dec 1, 1998

Est. expiryDec 23, 2016(expired)· nominal 20-yr term from priority

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Claims

exact text as granted — not AI-modified

We claim the ornamental design for a variable diameter tilt rotor aircraft, as shown and described.

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