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App. No. 09/771,068 · Confirmation No. 8552

OPEN-LOOP STEP MOTOR CONTROL SYSTEM

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2012-08-28 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2012-08-28 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2012-08-08 PA.. Power of Attorney 1 View
2012-08-08 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2012-08-08 N417 Electronic Filing System Acknowledgment Receipt 2 View
2004-05-06 IFEE Issue Fee Payment (PTO-85B) 3 View
2001-01-26 TRNA Transmittal of New Application 2 View
2001-01-26 A.PE Preliminary Amendment 4 View
2001-01-26 SPEC Specification 16 View
2001-01-26 CLM Claims 7 View
2001-01-26 ABST Abstract 1 View
2001-01-26 DRW Drawings-only black and white line drawings 9 View
2001-01-26 OATH Oath or Declaration filed 3 View
2001-01-26 TRNA Transmittal of New Application 2 View
2001-01-26 A.PE Preliminary Amendment 4 View
2001-01-26 SPEC Specification 16 View
2001-01-26 CLM Claims 7 View
2001-01-26 ABST Abstract 1 View
2001-01-26 DRW Drawings-only black and white line drawings 9 View
2001-01-26 OATH Oath or Declaration filed 3 View
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Quick Facts
App. No.
09/771,068
Filed
2001-01-26
Granted
2004-06-15
Pub. No.
US20020008490A1
Examiner
RO, BENTSU
Art Unit
2846
PTA
-175 days