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Three dimensional filter frame

57
Assignee: 3M INNOVATIVE PROPERTIES COPriority: Sep 7, 2018Filed: Sep 7, 2018Granted: Mar 10, 2020
Est. expirySep 7, 2038(~12.1 yrs left)· nominal 20-yr term from priority
Inventors:Scott ClearMichael S. Schuffert
57
PatentIndex Score
7
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14
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1
Claims

Claims

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

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