USD399564SExpiredUtility

Oxygen valve key

20
Assignee: ROGERSON AUBREY SHELTONPriority: Dec 6, 1996Filed: Dec 6, 1996Granted: Oct 13, 1998
Est. expiryDec 6, 2016(expired)· nominal 20-yr term from priority
Inventors:Aubrey Shelton Rogerson
20
PatentIndex Score
4
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an oxygen valve key, as shown and described.

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