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App. No. 09/891,939 · Confirmation No. 3735

METHOD OF OPERATING A CHEMICAL FEEDER

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
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2013-08-19 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2013-08-19 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2013-08-13 PA.. Power of Attorney 1 View
2013-08-13 C.AD Change of Address 1 View
2013-08-13 N417 Electronic Filing System Acknowledgment Receipt 2 View
2013-08-13 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2013-01-29 OATH Oath or Declaration filed 14 View
2001-06-26 TRNA Transmittal of New Application 4 View
2001-06-26 SPEC Specification 38 View
2001-06-26 CLM Claims 9 View
2001-06-26 ABST Abstract 1 View
2001-06-26 DRW Drawings-only black and white line drawings 6 View
2001-06-26 OATH Oath or Declaration filed 3 View
2001-06-26 LET. Miscellaneous Incoming Letter 1 View
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Quick Facts
App. No.
09/891,939
Filed
2001-06-26
Granted
2003-02-11
Pub. No.
US20020195404A1
Art Unit
1724
PTA
0 days