Patent Application
Utility
App. No. 09/887,138
· Confirmation No. 7742
METHODS OF USING REVERSIBLE PHASE OIL BASED DRILLING FLUID
Inventor:
Arvind D. Patel
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2004-06-14 | IFEE |
Issue Fee Payment (PTO-85B) | 3 | View | |
| 2004-03-15 | NOA |
Notice of Allowance and Fees Due (PTOL-85) | 3 | View | |
| 2004-03-15 | NOA |
Notice of Allowance and Fees Due (PTOL-85) | 3 | View | |
| 2004-03-15 | EXIN |
Examiner Interview Summary Record (PTOL - 413) | 1 | View | |
| 2004-03-15 | SPEC |
Specification | 1 | View | |
| 2004-03-15 | IIFW |
Issue Information including classification, examiner, name, claim, renumbering, etc. | 1 | View | |
| 2004-03-15 | FWCLM |
Index of Claims | 1 | View | |
| 2004-03-15 | SRFW |
Search information including classification, databases and other search related notes | 1 | View | |
| 2003-12-17 | A... |
Amendment/Request for Reconsideration-After Non-Final Rejection | 1 | View | |
| 2003-12-17 | WFEE |
Fee Worksheet (SB06) | 1 | View | |
| 2003-12-17 | WCLM |
Claims Worksheet (PTO-2022) | 1 | View | |
| 2003-09-22 | A... |
Amendment/Request for Reconsideration-After Non-Final Rejection | 2 | View | |
| 2003-09-22 | CLM |
Claims | 8 | View | |
| 2003-09-22 | REM |
Applicant Arguments/Remarks Made in an Amendment | 2 | View | |
| 2003-03-31 | CTNF |
Non-Final Rejection | 4 | View | |
| 2003-03-31 | 892 |
List of references cited by examiner | 1 | View | |
| 2003-03-05 | A... |
Amendment/Request for Reconsideration-After Non-Final Rejection | 2 | View | |
| 2003-01-28 | CTRS |
Requirement for Restriction/Election | 4 | View | |
| 2002-03-12 | A... |
Amendment/Request for Reconsideration-After Non-Final Rejection | 1 | View | |
| 2002-03-12 | CLM |
Claims | 10 | View | |
| 2002-03-12 | REM |
Applicant Arguments/Remarks Made in an Amendment | 17 | View | |
| 2001-09-07 | LET. |
Miscellaneous Incoming Letter | 4 | View | |
| 2001-09-07 | OATH |
Oath or Declaration filed | 2 | View | |
| 2001-08-14 | CTMS |
Miscellaneous Action with shortened statutory period (SSP) | 1 | View | |
| 2001-06-22 | TRNA |
Transmittal of New Application | 3 | View | |
| 2001-06-22 | ADS |
Application Data Sheet | 2 | View | |
| 2001-06-22 | SPEC |
Specification | 32 | View | |
| 2001-06-22 | CLM |
Claims | 5 | View | |
| 2001-06-22 | ABST |
Abstract | 1 | View | |
| 2001-06-22 | IIFW |
Issue Information including classification, examiner, name, claim, renumbering, etc. | 1 | View | |
| 2001-06-22 | SRFW |
Search information including classification, databases and other search related notes | 1 | View | |
| 2001-06-22 | FWCLM |
Index of Claims | 1 | View | |
| 2001-06-22 | TRNA |
Transmittal of New Application | 3 | View | |
| 2001-06-22 | ADS |
Application Data Sheet | 2 | View | |
| 2001-06-22 | SPEC |
Specification | 32 | View | |
| 2001-06-22 | CLM |
Claims | 5 | View | |
| 2001-06-22 | ABST |
Abstract | 1 | View | |
| 2001-06-22 | WFEE |
Fee Worksheet (SB06) | 1 | View | |
| 2001-06-22 | WFEE |
Fee Worksheet (SB06) | 1 | View | |
| 2001-06-22 | WCLM |
Claims Worksheet (PTO-2022) | 1 | View |
Inventors
Arvind D. Patel
Sugarland, TX
Attorneys & Agents of Record
Classification
USPC
507/129
C09K8/26
C09K8/32
C09K8/36
C09K8/52
C09K8/602
C09K8/64
C09K8/82
C09K2208/18
E21B21/068
Prosecution
- Examiner
- TUCKER, PHILIP C
- Art Unit
- 1712
- Customer No.
- 27551
- Docket No.
- 11836.0582.CPUS02 MIDR:58
- Confirmation No.
- 7742
Publication
- Pub. No.
- US20020033258A1
- Pub. Date
- 2002-03-21
Patent Term Adjustment
-84days
Parent
is a Continuation in-part of
→
App. 09/770,848
· US 6,790,811
Filed 2001-01-26
· Patented Case
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 Division 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 Division 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
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Quick Facts
- App. No.
- 09/887,138
- Filed
- 2001-06-22
- Granted
- 2004-10-19
- Pub. No.
- US20020033258A1
- Examiner
- TUCKER, PHILIP C
- Art Unit
- 1712
- PTA
- -84 days
External Links