Granted Patent
Utility
PCT National Stage
US 6,622,796
· Confirmation No. 1214
APPARATUS AND METHOD FOR FACILITATING THE CONNECTION OF TUBULARS USING A TOP DRIVE
Inventor:
Bernd-Georg Pietras
Patented Case
View Patent ↗
Inventors
Bernd-Georg Pietras
Wedemark, GERMANY
Attorneys & Agents of Record
Classification
USPC
166/379
E21B19/16
E21B3/022
E21B21/106
Prosecution
- Examiner
- TSAY, FRANK
- Art Unit
- 3672
- Docket No.
- MRKS/0039
- Confirmation No.
- 1214
Foreign Priority
9828669.3
·
1998-12-24
·
UNITED KINGDOM
Patent Term Adjustment
0days
Parent
PCT
is a National Stage Entry of
→
PCT/GB1999/003944
Filed 1999-11-29
· Patented Case
Child
is a Continuation of
→
App. 11/554,139
Filed 2006-10-30
· Abandoned -- Failure to Respond to an Office Action
Child
is a Continuation of
→
App. 11/230,585
· US 7,128,161
Filed 2005-09-20
· Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Child
is a Continuation of
→
App. 13/315,916
Filed 2011-12-09
· Abandoned -- Failure to Respond to an Office Action
Child
is a Continuation of
→
App. 13/626,759
Filed 2012-09-25
· Abandoned -- Failure to Respond to an Office Action
Child
is a Continuation of
→
App. 10/621,971
· US 7,004,259
Filed 2003-07-17
· Patented Case
Child
is a Continuation of
→
App. 12/984,472
Filed 2011-01-04
· Abandoned -- Failure to Respond to an Office Action
Child
is a Continuation of
→
App. 12/708,131
Filed 2010-02-18
· Abandoned -- Failure to Respond to an Office Action
Child
is a Continuation of
→
App. 95/001,115
Filed 2008-11-18
· Reexamination Certificate issued
Child
is a Continuation of
→
App. 95/001,121
Filed 2008-11-18
· Reexamination Certificate issued
from
CITIBANK, N.A.
RELEASE OF SECURITY INTEREST
Recorded 2019-12-18
TERMINATION AND RELEASE OF SECOND LIEN SECURITY INTEREST IN UNITED STATES PATENTS PREVIOUSLY RECORDED AT REEL/FRAME (049677/0904)
Recorded 2019-12-13
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2019-07-23
CONFIRMATORY GRANT OF SECOND LIEN SECURITY INTEREST IN UNITED STATES PATENTS
Recorded 2019-07-03
TERMINATION AND RELEASE OF SECURITY INTEREST IN UNITED STATES PATENTS
Recorded 2019-07-03
SECURITY INTEREST
Recorded 2016-06-08
from
PIETRAS, BERND-GEORG
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2001-09-04
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Quick Facts
- Patent No.
- US 6,622,796
- App. No.
- 09/868,438
- Filed
- 2001-09-04
- Granted
- 2003-09-23
- Examiner
- TSAY, FRANK
- Art Unit
- 3672
- PTA
- 0 days
External Links