USD250047SExpiredUtility

Breathing mask

95
Assignee: CHEMETRON CORPPriority: Oct 18, 1976Filed: Oct 18, 1976Granted: Oct 24, 1978
Est. expiryOct 18, 1996(expired)· nominal 20-yr term from priority
Inventors:George T. LewisJohn H. Price
95
PatentIndex Score
102
Cited by
3
References
1
Claims

Claims

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

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