USD311721SExpiredUtility

Gyroscopic propelled/stabilized submarine

12
Individually held — no corporate assignee on recordPriority: Aug 18, 1988Filed: Aug 18, 1988Granted: Oct 30, 1990
Est. expiryAug 18, 2008(expired)· nominal 20-yr term from priority
Inventors:Francis J. Hanback
12
PatentIndex Score
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Cited by
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References
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Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a gyroscope propelled/stabilized submarine, as shown and described.

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