USD522351SExpiredUtility

Powered air-purifying respirator attachment clip

80
Assignee: 3M INNOVATIVE PROPERTIES COPriority: Dec 30, 2003Filed: Dec 30, 2003Granted: Jun 6, 2006
Est. expiryDec 30, 2023(expired)· nominal 20-yr term from priority
Inventors:David S. TaylorPeter B. AllenScott R. AlexanderJason A. Graves
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PatentIndex Score
26
Cited by
8
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a powered air-purifying respirator attachment clip, as shown and described.

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