USD251622SExpiredUtility

Emergency back-up underwater breathing apparatus

56
Individually held — no corporate assignee on recordPriority: Apr 20, 1978Filed: Apr 20, 1978Granted: Apr 17, 1979
Est. expiryApr 20, 1998(expired)· nominal 20-yr term from priority
Inventors:George E. GarrisonJames R. HagadornJoseph BordenLarry H. Williamson
56
PatentIndex Score
9
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
The decorative design of an emergency back-up underwater breathing apparatus, as shown and described.

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