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App. No. 09/922,868 · Confirmation No. 8517

AIR CLASSIFIER SYSTEM FOR THE SEPARATION OF PARTICLES

Inventor: Robert E. Sparks
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
2010-09-13 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2010-09-13 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2010-09-07 PA.. Power of Attorney 1 View
2010-09-07 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2010-09-07 N417 Electronic Filing System Acknowledgment Receipt 2 View
2008-11-05 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-11-05 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-10-21 PA.. Power of Attorney 1 View
2008-10-21 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2008-10-21 N417 Electronic Filing System Acknowledgment Receipt 2 View
2003-08-20 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-08-18 LET. Miscellaneous Incoming Letter 1 View
2003-08-18 DRW Drawings-only black and white line drawings 6 View
2001-10-23 TRNA Transmittal of New Application 2 View
2001-10-23 DRW Drawings-only black and white line drawings 6 View
2001-08-07 TRNA Transmittal of New Application 1 View
2001-08-07 SPEC Specification 17 View
2001-08-07 CLM Claims 4 View
2001-08-07 ABST Abstract 1 View
2001-08-07 DRW Drawings-only black and white line drawings 6 View
2001-08-07 OATH Oath or Declaration filed 2 View
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Quick Facts
App. No.
09/922,868
Filed
2001-08-07
Granted
2003-10-14
Pub. No.
US20030057138A1
Art Unit
3653
PTA
-89 days