USD638929SActiveUtility

Respirator head harness

36
Assignee: 3M INNOVATIVE PROPERTIES COPriority: Jul 23, 2007Filed: Jul 23, 2007Granted: May 31, 2011
Est. expiryJul 23, 2027(~1 yrs left)· nominal 20-yr term from priority
Inventors:Nathan A. AbelJames R. BetzSean M. BurkeMichael J. LynchMatthew D. ReierAndrew S. Viner
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PatentIndex Score
2
Cited by
25
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a respirator head harness, as shown and described.

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