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App. No. 10/053,561 · Confirmation No. 3415

APPARATUS FOR CONTROLLING THE AMOUNT OF DEVELOPER MATERIAL AND TONER CONCENTRATION

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
2003-07-25 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-05-20 TRNA Transmittal of New Application 5 View
2002-05-20 SPEC Specification 32 View
2002-05-20 CLM Claims 6 View
2002-05-20 ABST Abstract 1 View
2002-05-20 DRW Drawings-only black and white line drawings 10 View
2002-01-24 TRNA Transmittal of New Application 2 View
2002-01-24 ADS Application Data Sheet 4 View
2002-01-24 SPEC Specification 21 View
2002-01-24 CLM Claims 4 View
2002-01-24 ABST Abstract 1 View
2002-01-24 DRW Drawings-only black and white line drawings 10 View
2002-01-24 OATH Oath or Declaration filed 4 View
2002-01-24 LET. Miscellaneous Incoming Letter 1 View
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Quick Facts
App. No.
10/053,561
Filed
2002-01-24
Granted
2003-09-23
Pub. No.
US20030138259A1
Examiner
NGO, HOANG X
Art Unit
2852
PTA
0 days