Granted Patent
Utility
US 6,591,915
· Confirmation No. 3027
METHOD FOR SELECTIVE DRAINING OF LIQUID FROM AN OIL WELL PIPE STRING
Inventors
Mark A. Burris
Iola, KS
Donald R. Hibler JR.
Bates City, MO
Attorneys & Agents of Record
Classification
USPC
166/376
Prosecution
- Examiner
- DANG, HOANG C
- Art Unit
- 3672
- Docket No.
- 26559-A
- Confirmation No.
- 3027
Publication
- Pub. No.
- US20010022225A1
- Pub. Date
- 2001-09-20
Patent Term Adjustment
-169days
Parent
is a Continuation of
→
App. 09/078,891
Filed 1998-05-14
· Abandoned -- After Examiner's Answer or Board of Appeals Decision
Child
is a Continuation of
→
App. 10/862,681
Filed 2004-06-07
· Expressly Abandoned -- During Examination
Child
is a Continuation of
→
App. 10/443,522
· US 6,752,212
Filed 2003-05-22
· Patented Case
from
FIKE CORPORATION
NOTICE OF GRANT OF SECURITY INTEREST
Recorded 2017-07-24
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this application's details
Quick Facts
- Patent No.
- US 6,591,915
- App. No.
- 09/863,993
- Filed
- 2001-05-23
- Granted
- 2003-07-15
- Pub. No.
- US20010022225A1
- Examiner
- DANG, HOANG C
- Art Unit
- 3672
- PTA
- -169 days
External Links