IP Library Granted Patent US 6,537,453
Granted Patent Utility
US 6,537,453 · Confirmation No. 3486

ACID-NEUTRALIZING FILTER

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Code Description Pages PDF
2001-05-17 TRNA Transmittal of New Application 2 View
2001-05-17 ADS Application Data Sheet 1 View
2001-05-17 SPEC Specification 17 View
2001-05-17 CLM Claims 6 View
2001-05-17 ABST Abstract 1 View
2001-05-17 DRW Drawings-only black and white line drawings 8 View
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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
Art Unit
1724
PTA
-32 days