USD396098SExpiredUtility

Conical filter

99
Assignee: DONALDSON CO INCPriority: Apr 26, 1996Filed: Jan 7, 1997Granted: Jul 14, 1998
Est. expiryApr 26, 2016(expired)· nominal 20-yr term from priority
Inventors:Gary R. GillinghamWayne M. WagnerJoseph C. TokarDaniel T. RischJim C. RothmanSteven A. Carter
B01D 46/527B01D 2275/206B01D 2275/201
99
PatentIndex Score
334
Cited by
26
References
1
Claims

Claims

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

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