USD242642SExpiredUtility

Back-supported underwater propulsion device

45
Assignee: SHAKESPEARE COPriority: Sep 22, 1975Filed: Sep 22, 1975Granted: Dec 7, 1976
Est. expirySep 22, 1995(expired)· nominal 20-yr term from priority
Inventors:Andrew R. Henning
45
PatentIndex Score
4
Cited by
1
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a back-supported underwater propulsion device, as shown and described.

Join the waitlist — get patent alerts

Track USD242642S — get alerts on status changes and closely related new filings.

We store only your email — no account needed. See our privacy policy.