Granted Patent
Utility
Small
US 6,367,508
· Confirmation No. 1420
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Patented Case
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2001-03-05 | TRNA |
Transmittal of New Application | 2 | View | |
| 2001-03-05 | ADS |
Application Data Sheet | 3 | View | |
| 2001-03-05 | A.PE |
Preliminary Amendment | 11 | View | |
| 2001-03-05 | SPEC |
Specification | 34 | View | |
| 2001-03-05 | ABST |
Abstract | 1 | View | |
| 2001-03-05 | DRW |
Drawings-only black and white line drawings | 15 | View | |
| 2001-03-05 | OATH |
Oath or Declaration filed | 20 | View | |
| 2001-03-05 | TRNA |
Transmittal of New Application | 2 | View | |
| 2001-03-05 | ADS |
Application Data Sheet | 3 | View | |
| 2001-03-05 | A.PE |
Preliminary Amendment | 11 | View | |
| 2001-03-05 | SPEC |
Specification | 34 | View | |
| 2001-03-05 | ABST |
Abstract | 1 | View | |
| 2001-03-05 | DRW |
Drawings-only black and white line drawings | 15 | View | |
| 2001-03-05 | OATH |
Oath or Declaration filed | 20 | View |
Inventors
Darrell R. Richard
Houston, TX
Colin Rush
Leicestershire, UNITED KINGDOM
William Thornton
Suhlendorf, GERMANY
Henry Campbell King
Houston, TX
Vincent Danko Grbic
Houston, TX
Edgar Von Rosenberg
Houston, TX
Attorneys & Agents of Record
Classification
USPC
138/96T
Prosecution
- Examiner
- BRINSON, PATRICK F
- Art Unit
- 3752
- Customer No.
- 23505
- Docket No.
- 1769-02719
- Confirmation No.
- 1420
Patent Term Adjustment
-6days
SECURITY INTEREST
Recorded 2014-11-13
from
COMERICA BANK
RELEASE OF SECURITY INTEREST
Recorded 2014-06-14
SECURITY INTEREST
Recorded 2014-06-12
SECURITY AGREEMENT
Recorded 2012-07-13
RELEASE OF SECURITY INTEREST
Recorded 2012-03-20
RELEASE OF SECURITY INTEREST
Recorded 2012-03-15
RELEASE OF SECURITY INTEREST
Recorded 2012-03-14
RELEASE OF SECURITY INTEREST
Recorded 2012-03-12
from
RUSH, COLIN,
GRBIC, VINCENT DANCO,
KING, HENRY CAMPBELL,
RICHARDS, DARRELL R.,
VON ROSENBERG, EDGAR,
THORNTON, WILLIAM
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2007-12-13
CHANGE OF NAME
Recorded 2007-12-13
from
DRILLTEC PATENTS & TECHNOLOGIES COMPANY, INC., A DELAWARE CORPORATION,
DRILLTEC TECHNOLOGIES, L.P., A DELAWARE LIMITED PARTNERSHIP
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2007-06-11
SECURITY AGREEMENT
Recorded 2007-05-24
SECURITY AGREEMENT
Recorded 2003-08-26
SECURITY INTEREST
Recorded 2002-10-01
AMENDMENT & ASSIGNMENT OF AGREEMENT
Recorded 2001-11-13
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Quick Facts
- Patent No.
- US 6,367,508
- App. No.
- 09/799,163
- Filed
- 2001-03-05
- Granted
- 2002-04-09
- Examiner
- BRINSON, PATRICK F
- Art Unit
- 3752
- PTA
- -6 days
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