IP Library Granted Patent US 6,692,637
Granted Patent Utility
US 6,692,637 · Confirmation No. 6170

DUAL DENSITY FILTER CARTRIDGE

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Code Description Pages PDF
2003-12-22 IFEE Issue Fee Payment (PTO-85B) 2 View
2001-11-07 TRNA Transmittal of New Application 5 View
2001-11-07 SPEC Specification 11 View
2001-11-07 CLM Claims 2 View
2001-11-07 ABST Abstract 1 View
2001-11-07 DRW Drawings-only black and white line drawings 9 View
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Quick Facts
Patent No.
US 6,692,637
App. No.
10/037,260
Filed
2001-11-07
Granted
2004-02-17
Pub. No.
US20030085167A1
Art Unit
1724
PTA
-16 days