Granted Patent
Utility
US 6,537,453
· Confirmation No. 3486
ACID-NEUTRALIZING FILTER
Inventors
John H. Beard
Kearney, NE
Allan Roush
Thorntown, IN
Attorneys & Agents of Record
Classification
USPC
210/206
B01D37/025
B01D27/04
B01D2201/34
B01D2201/44
C10G31/09
Prosecution
- Examiner
- LITHGOW, THOMAS M
- Art Unit
- 1724
- Customer No.
- 23460
- Docket No.
- 501307
- Confirmation No.
- 3486
Publication
- Pub. No.
- US20020185453A1
- Pub. Date
- 2002-12-12
Patent Term Adjustment
-32days
from
ROUSH, ALLAN N.
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2005-02-18
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2002-07-16
from
ROUSH, ALLAN N.
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2002-03-05
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Quick Facts
- Patent No.
- US 6,537,453
- App. No.
- 09/859,549
- Filed
- 2001-05-17
- Granted
- 2003-03-25
- Pub. No.
- US20020185453A1
- Examiner
- LITHGOW, THOMAS M
- Art Unit
- 1724
- PTA
- -32 days
External Links