IP Library Granted Patent US 6,731,890
Granted Patent Utility
US 6,731,890 · Confirmation No. 8949

TRANSFER OF TONER USING A TIME-VARYING TRANSFER STATION CURRENT

Patented Case View Patent ↗
⬇ PDF
Code Description Pages PDF
2021-03-04 OATH Oath or Declaration filed 226 View
2004-02-17 IFEE Issue Fee Payment (PTO-85B) 1 View
2004-02-17 C.AD Change of Address 1 View
2004-01-05 WFEE Fee Worksheet (SB06) 1 View
2003-12-29 NOA Notice of Allowance and Fees Due (PTOL-85) 3 View
2003-12-29 NOA Notice of Allowance and Fees Due (PTOL-85) 1 View
2003-12-29 IIFW Issue Information including classification, examiner, name, claim, renumbering, etc. 1 View
2003-12-29 SRFW Search information including classification, databases and other search related notes 1 View
2003-12-29 WFEE Fee Worksheet (SB06) 1 View
2003-12-01 A... Amendment/Request for Reconsideration-After Non-Final Rejection 1 View
2003-12-01 REM Applicant Arguments/Remarks Made in an Amendment 19 View
2003-08-28 CTNF Non-Final Rejection 4 View
2003-08-28 892 List of references cited by examiner 1 View
2003-08-28 FOR Foreign Reference 16 View
2003-08-28 FOR Foreign Reference 14 View
2003-02-20 LET. Miscellaneous Incoming Letter 1 View
2003-02-20 DRW Drawings-only black and white line drawings 12 View
2002-11-14 TRNA Transmittal of New Application 1 View
2002-11-14 SPEC Specification 34 View
2002-11-14 CLM Claims 20 View
2002-11-14 ABST Abstract 1 View
2002-11-14 DRW Drawings-only black and white line drawings 11 View
2002-11-14 OATH Oath or Declaration filed 2 View
2002-11-14 IIFW Issue Information including classification, examiner, name, claim, renumbering, etc. 1 View
2002-11-14 SRFW Search information including classification, databases and other search related notes 1 View
2002-11-14 FWCLM Index of Claims 1 View
2002-11-14 TRNA Transmittal of New Application 2 View
2002-11-14 DRW Drawings-only black and white line drawings 11 View
2002-11-14 SPEC Specification 34 View
2002-11-14 CLM Claims 20 View
2002-11-14 ABST Abstract 1 View
2002-11-14 OATH Oath or Declaration filed 2 View
2002-11-14 WFEE Fee Worksheet (SB06) 1 View
2002-11-14 WFEE Fee Worksheet (SB06) 1 View
2002-11-14 WCLM Claims Worksheet (PTO-2022) 1 View
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this application's details
Quick Facts
Patent No.
US 6,731,890
App. No.
10/294,378
Filed
2002-11-14
Granted
2004-05-04
Art Unit
2852
PTA
-3 days