IP Library › Granted Patent US 6,640,382
Granted Patent Utility Small
US 6,640,382 · Confirmation No. 6893

MOBILE FILTER CLEANING SYSTEM

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2022-01-03 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2022-01-03 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2021-12-02 PA.. Power of Attorney 1 View
2021-12-02 N417 Electronic Filing System Acknowledgment Receipt 2 View
2021-12-02 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2003-09-09 IFEE Issue Fee Payment (PTO-85B) 2 View
2003-09-09 LET. Miscellaneous Incoming Letter 2 View
2001-11-09 TRNA Transmittal of New Application 2 View
2001-11-09 ADS Application Data Sheet 3 View
2001-11-09 SPEC Specification 12 View
2001-11-09 CLM Claims 6 View
2001-11-09 ABST Abstract 1 View
2001-11-09 DRW Drawings-only black and white line drawings 7 View
2001-11-09 OATH Oath or Declaration filed 1 View
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Quick Facts
Patent No.
US 6,640,382
App. No.
10/037,907
Filed
2001-11-09
Granted
2003-11-04
Art Unit
1744
PTA
-9 days