USD521855SExpiredUtility

Powered air-purifying respirator attachment clip

53
Assignee: 3M INNOVATIVE PROPERTIES COPriority: Dec 30, 2003Filed: Dec 30, 2003Granted: May 30, 2006
Est. expiryDec 30, 2023(expired)· nominal 20-yr term from priority
Inventors:David S. TaylorDesmond T. Curran
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PatentIndex Score
8
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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