Granted Patent
Utility
PCT National Stage
US 6,637,189
· Confirmation No. 1571
METHOD FOR THE PERIODICALLY DESULFATING A NITROGEN OXIDE OR SULFUR OXIDE ACCUMULATOR OF AN EXHAUST GAS CLEANING SYSTEM
Patented Case
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2003-09-02 | IFEE |
Issue Fee Payment (PTO-85B) | 1 | View | |
| 2003-09-02 | LET. |
Miscellaneous Incoming Letter | 1 | View | |
| 2003-09-02 | DRW |
Drawings-only black and white line drawings | 1 | View | |
| 2001-03-20 | LET. |
Miscellaneous Incoming Letter | 45 | View | |
| 2001-03-20 | LET. |
Miscellaneous Incoming Letter | 45 | View |
Inventors
Walter Boegner
Remseck, GERMANY
Guenter Karl
Esslingen, GERMANY
Bernd Krutzsch
Denkendorf, GERMANY
Stefan Renfftlen
Eislingen, GERMANY
Christof Schoen
Remshalden, GERMANY
Dirk Voigtlaender
Korntal-Muenchingen, GERMANY
Guenter Wenninger
Stuttgart, GERMANY
Attorneys & Agents of Record
Classification
USPC
60/274
Prosecution
- Examiner
- TRAN, BINH Q
- Art Unit
- 3748
- Customer No.
- 23911
- Docket No.
- 225/49510
- Confirmation No.
- 1571
Foreign Priority
199 22 962.7
·
1999-05-19
·
GERMANY
Patent Term Adjustment
0days
from
DAIMLERCHRYSLER AG
CORRECTIVE ASSIGNMENT TO CORRECT THE APPLICATION NO. 10/567,810 PREVIOUSLY RECORDED ON REEL 020976 FRAME 0889. ASSIGNOR(S) HEREBY CONFIRMS THE CHANGE OF NAME.
Recorded 2020-07-01
from
KARL, GUENTER,
SCHOEN, CHRISTOF,
VOIGTLAENDER, DIRK,
KRUTZSCH, BERND,
RENFFTLEN, STEFAN,
WENNINGER, GUENTER,
BOEGNER, WALTER
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2001-03-20
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Quick Facts
- Patent No.
- US 6,637,189
- App. No.
- 09/743,983
- Filed
- 2001-03-20
- Granted
- 2003-10-28
- Examiner
- TRAN, BINH Q
- Art Unit
- 3748
- PTA
- 0 days
External Links