Granted Patent
Utility
US 6,554,247
· Confirmation No. 8920
QUICK RELEASE BLOWOUT PREVENTER BONNET
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2001-05-04 | TRNA |
Transmittal of New Application | 5 | View | |
| 2001-05-04 | SPEC |
Specification | 29 | View | |
| 2001-05-04 | CLM |
Claims | 9 | View | |
| 2001-05-04 | ABST |
Abstract | 1 | View | |
| 2001-05-04 | DRW |
Drawings-only black and white line drawings | 14 | View | |
| 2001-05-04 | OATH |
Oath or Declaration filed | 3 | View |
Inventors
Michael Wayne Berckenhoff
Spring, TX
Edward Ryan Hemphill
Houston, TX
Attorneys & Agents of Record
Classification
USPC
251/1.1
Prosecution
- Examiner
- BASTIANELLI, JOHN
- Art Unit
- 3754
- Customer No.
- 22511
- Docket No.
- 09430.248001
- Confirmation No.
- 8920
Publication
- Pub. No.
- US20020162981A1
- Pub. Date
- 2002-11-07
Patent Term Adjustment
0days
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2001-07-23
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Quick Facts
- Patent No.
- US 6,554,247
- App. No.
- 09/849,819
- Filed
- 2001-05-04
- Granted
- 2003-04-29
- Pub. No.
- US20020162981A1
- Examiner
- BASTIANELLI, JOHN
- Art Unit
- 3754
- PTA
- 0 days
External Links