Patent Application
Utility
App. No. 10/079,444
· Confirmation No. 2848
PANTOGRAPH UNDERREAMER
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2004-02-20 | IFEE |
Issue Fee Payment (PTO-85B) | 2 | View | |
| 2002-02-19 | TRNA |
Transmittal of New Application | 4 | View | |
| 2002-02-19 | SPEC |
Specification | 18 | View | |
| 2002-02-19 | CLM |
Claims | 9 | View | |
| 2002-02-19 | ABST |
Abstract | 1 | View | |
| 2002-02-19 | DRW |
Drawings-only black and white line drawings | 4 | View | |
| 2002-02-19 | OATH |
Oath or Declaration filed | 6 | View |
Inventors
Monty H. Rial
Dallas, TX
Lawrence W. Diamond
Rockwall, TX
Joseph A. Zupanick
Pineville, WV
Harold E. Payne
Spring, TX
Attorneys & Agents of Record
Classification
USPC
175/57
E21B21/10
E21B10/322
Prosecution
- Examiner
- GAY, JENNIFER HAWKINS
- Art Unit
- 3672
- Customer No.
- 26231
- Docket No.
- 067083.0143
- Confirmation No.
- 2848
Patent Term Adjustment
-77days
RELEASE OF SECURITY INTEREST
Recorded 2014-03-03
RELEASE OF SECURITY INTEREST
Recorded 2014-03-03
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2014-02-12
from
CDX GAS, LLC
SECURITY AGREEMENT
Recorded 2006-05-10
from
CDX GAS, LLC
SECURITY AGREEMENT
Recorded 2006-05-10
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2002-02-19
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Quick Facts
- App. No.
- 10/079,444
- Filed
- 2002-02-19
- Granted
- 2004-04-20
- Examiner
- GAY, JENNIFER HAWKINS
- Art Unit
- 3672
- PTA
- -77 days
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