Granted Patent
Utility
US 6,638,416
· Confirmation No. 6557
HYDROGEN SENSING PROCESS
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2003-09-03 | LET. |
Miscellaneous Incoming Letter | 1 | View | |
| 2003-09-03 | DRW |
Drawings-only black and white line drawings | 7 | View | |
| 2003-08-29 | IFEE |
Issue Fee Payment (PTO-85B) | 1 | View | |
| 2001-09-24 | TRNA |
Transmittal of New Application | 5 | View | |
| 2001-09-24 | SPEC |
Specification | 16 | View | |
| 2001-09-24 | CLM |
Claims | 5 | View | |
| 2001-09-24 | ABST |
Abstract | 1 | View | |
| 2001-09-24 | DRW |
Drawings-only black and white line drawings | 7 | View | |
| 2001-09-24 | OATH |
Oath or Declaration filed | 2 | View |
Inventors
Da Yu Wang
Troy, MI
David K. Chen
Rochester Hills, MI
Kaius K. Polikarpus
Grand Blanc, MI
Walter T. Symons
Grand Blanc, MI
Attorneys & Agents of Record
Classification
USPC
205/775
Prosecution
- Examiner
- TUNG, TA HSUNG
- Art Unit
- 1753
- Docket No.
- DP-305834 (DEP-0245)
- Confirmation No.
- 6557
Publication
- Pub. No.
- US20030057109A1
- Pub. Date
- 2003-03-27
Patent Term Adjustment
0days
No related applications found.
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2018-01-22
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2001-09-24
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Quick Facts
- Patent No.
- US 6,638,416
- App. No.
- 09/961,661
- Filed
- 2001-09-24
- Granted
- 2003-10-28
- Pub. No.
- US20030057109A1
- Examiner
- TUNG, TA HSUNG
- Art Unit
- 1753
- PTA
- 0 days
External Links