USD936226SActiveUtility

Respirator filter cartridge

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Assignee: 3M INNOVATIVE PROPERTIES COPriority: Oct 19, 2018Filed: Oct 19, 2018Granted: Nov 16, 2021
Est. expiryOct 19, 2038(~12.2 yrs left)· nominal 20-yr term from priority
Inventors:Jennifer A. ChaissonJamie V. BlairGary E. Dwyer
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PatentIndex Score
2
Cited by
36
References
1
Claims

Claims

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

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