Granted Patent
Utility
US 6,557,428
· Confirmation No. 9517
HEAD SPACE GAS SAMPLING AND VENTING METHOD AND ARRANGEMENT, AND FILTERING AND SAMPLING PORTS USED THEREWITH
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2021-06-18 | OATH |
Oath or Declaration filed | 9 | View | |
| 2001-08-07 | TRNA |
Transmittal of New Application | 1 | View | |
| 2001-08-07 | SPEC |
Specification | 11 | View | |
| 2001-08-07 | CLM |
Claims | 6 | View | |
| 2001-08-07 | ABST |
Abstract | 1 | View | |
| 2001-08-07 | DRW |
Drawings-only black and white line drawings | 4 | View | |
| 2001-08-07 | LET. |
Miscellaneous Incoming Letter | 1 | View |
Inventors
Terry J. Wickland
Evergreen, CO
Darold M. Popish
Golden, CO
Gilbert Brassell
Golden, CO
Fred L. Popish
Arvada, CO
Mark A. Castagneri
Arvada, CO
Michael D. Peterson
Parker, CO
Attorneys & Agents of Record
Classification
USPC
73/863.85
Prosecution
- Examiner
- RAEVIS, ROBERT R
- Art Unit
- 2856
- Customer No.
- 23599
- Docket No.
- NFTIN-12
- Confirmation No.
- 9517
Publication
- Pub. No.
- US20030029255A1
- Pub. Date
- 2003-02-13
Patent Term Adjustment
-49days
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2021-06-16
from
BRASSELL, GILBERT,
POPISH, DAROLD M.,
POPISH, FRED L.,
WICKLAND, TERRY J.,
PETERSON, MICHAEL D.,
CASTAGNERI, MARK A.
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2003-10-08
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Quick Facts
- Patent No.
- US 6,557,428
- App. No.
- 09/922,943
- Filed
- 2001-08-07
- Granted
- 2003-05-06
- Pub. No.
- US20030029255A1
- Examiner
- RAEVIS, ROBERT R
- Art Unit
- 2856
- PTA
- -49 days
External Links