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Granted Patent
Utility
US 6,790,811
· Confirmation No. 8405
OIL BASED DRILLING FLUID
Inventor:
Arvind D. Patel
No downloadable documents found — record may not be publicly available.
Inventors
Arvind D. Patel
Sugar Land, TX
Attorneys & Agents of Record
Classification
USPC
507/129
Prosecution
- Examiner
- TUCKER, PHILIP C
- Art Unit
- 1712
- Customer No.
- 27551
- Docket No.
- MIDR582--1 (11836.0582
- Confirmation No.
- 8405
Publication
- Pub. No.
- US20010051593A1
- Pub. Date
- 2001-12-13
Patent Term Adjustment
-123days
Parent
is a Continuation of
→
App. 08/862,201
· US 6,218,342
Filed 1997-05-23
· Patented Case
Parent
Claims priority from a provisional application
→
App. 60/023,043
Filed 1996-08-02
· Provisional Application Expired
Child
is a Continuation in-part of
→
App. 10/889,722
· US 7,178,594
Filed 2004-07-13
· Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Child
is a Continuation in-part of
→
App. 09/887,138
· US 6,806,233
Filed 2001-06-22
· Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Child
is a Continuation in-part of
→
App. 12/102,405
· US 7,527,097
Filed 2008-04-14
· Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Child
is a Continuation in-part of
→
App. 11/621,788
· US 7,377,721
Filed 2007-01-10
· Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
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Quick Facts
- Patent No.
- US 6,790,811
- App. No.
- 09/770,848
- Filed
- 2001-01-26
- Granted
- 2004-09-14
- Pub. No.
- US20010051593A1
- Examiner
- TUCKER, PHILIP C
- Art Unit
- 1712
- PTA
- -123 days
External Links