Granted Patent
Utility
PCT National Stage
US 6,634,388
· Confirmation No. 4564
ANNULAR FLUID MANIPULATION IN LINED TUBULAR SYSTEMS
Patented Case
View Patent ↗
Inventors
Jack Curtis Taylor
Conroe, TX
Max Jerry Roach
Conroe, TX
Attorneys & Agents of Record
Classification
USPC
138/104
Prosecution
- Examiner
- HOOK, JAMES F
- Art Unit
- 3752
- Docket No.
- P/3911-2
- Confirmation No.
- 4564
Patent Term Adjustment
0days
TERMINATION AND RELEASE OF SECURITY INTEREST IN PATENTS
Recorded 2021-05-18
TERMINATION AND RELEASE OF SECURITY INTEREST IN PATENTS
Recorded 2021-05-18
NOTICE OF GRANT OF SECURITY INTEREST IN PATENTS
Recorded 2015-11-02
NOTICE OF GRANT OF SECURITY INTEREST IN PATENTS
Recorded 2013-09-05
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2012-01-26
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2005-11-25
from
ROACH, MAX JERRY(BY LOUISE F. ROACH, AS EXECUTRIX OF THE ESTATE OF MAX JERRY ROACH),
TAYLOR, JACK CURTIS
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2001-06-11
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Quick Facts
- Patent No.
- US 6,634,388
- App. No.
- 09/744,280
- Filed
- 2001-03-22
- Granted
- 2003-10-21
- Examiner
- HOOK, JAMES F
- Art Unit
- 3752
- PTA
- 0 days
External Links