USD536443SExpiredUtility

Check valve for oxygen service

62
Assignee: LATSOS THOMASPriority: Mar 16, 2005Filed: Mar 16, 2005Granted: Feb 6, 2007
Est. expiryMar 16, 2025(expired)· nominal 20-yr term from priority
Inventors:Thomas Latsos
62
PatentIndex Score
20
Cited by
1
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a check valve for oxygen service, as shown and described.

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