IP Library Granted Patent US 6,721,519
Granted Patent Utility
US 6,721,519 · Confirmation No. 7072

PERFORMANCE SENSING CLEANING DEVICE

Inventor: Kenneth J. Brown
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Code Description Pages PDF
2003-12-01 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-12-01 C.AD Change of Address 1 View
2003-08-05 ARTIFACT Artifact sheet indicating an item has been filed which cannot be scanned 1 View
2002-02-21 TRNA Transmittal of New Application 1 View
2002-02-21 SPEC Specification 13 View
2002-02-21 CLM Claims 4 View
2002-02-21 ABST Abstract 1 View
2002-02-21 DRW Drawings-only black and white line drawings 6 View
2002-02-21 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,721,519
App. No.
10/080,009
Filed
2002-02-21
Granted
2004-04-13
Pub. No.
US20030044206A1
Art Unit
2852
PTA
-29 days