USD326167SExpiredUtility

Emergency breathing unit

43
Assignee: SUBMERSIBLE SYSTEMS INCPriority: Aug 19, 1991Filed: Aug 19, 1991Granted: May 12, 1992
Est. expiryAug 19, 2011(expired)· nominal 20-yr term from priority
Inventors:Larry H. Williamson
43
PatentIndex Score
5
Cited by
7
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an emergency breathing unit, substantially as shown and described.

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