USD979131SActiveUtility

Smoke filter apparatus

83
Individually held — no corporate assignee on recordPriority: Apr 22, 2021Filed: Apr 22, 2021Granted: Feb 21, 2023
Est. expiryApr 22, 2041(~14.7 yrs left)· nominal 20-yr term from priority
Inventors:Edward T. Nista
A24D 3/04A24F 1/02A24D 3/16A24F 7/04B01D 39/2055B01D 39/10B01D 39/1615A24D 3/10A24D 3/163
83
PatentIndex Score
2
Cited by
23
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       An ornamental design for a smoke filter apparatus, as shown and described.

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