IP Library › Granted Patent US 6,806,235
Granted Patent Utility PCT National Stage
US 6,806,235 · Confirmation No. 3696

LUBRICANTS FOR DRILLING FLUIDS

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2004-03-17 NOA Notice of Allowance and Fees Due (PTOL-85) 3 View
2004-03-17 NOA Notice of Allowance and Fees Due (PTOL-85) 2 View
2004-03-17 IIFW Issue Information including classification, examiner, name, claim, renumbering, etc. 1 View
2004-03-17 FWCLM Index of Claims 1 View
2003-12-29 RUSH Printer Query form, used by the publications branch 1 View
2003-12-29 XRUSH Internal Response to Printer Query from Technology Center(TC) 1 View
2003-12-23 IFEE Issue Fee Payment (PTO-85B) 2 View
2003-09-30 NOA Notice of Allowance and Fees Due (PTOL-85) 4 View
2003-09-30 NOA Notice of Allowance and Fees Due (PTOL-85) 1 View
2003-09-30 1449 List of References cited by applicant and considered by examiner 1 View
2003-09-30 IIFW Issue Information including classification, examiner, name, claim, renumbering, etc. 1 View
2003-09-30 SRFW Search information including classification, databases and other search related notes 1 View
2003-09-30 FWCLM Index of Claims 1 View
2003-09-09 WFEE Fee Worksheet (SB06) 1 View
2003-09-09 WCLM Claims Worksheet (PTO-2022) 1 View
2003-08-07 IDS Information Disclosure Statement (IDS) Form (SB08) 3 View
2003-08-07 FOR Foreign Reference 48 View
2003-08-07 FOR Foreign Reference 15 View
2003-08-07 FOR Foreign Reference 19 View
2003-08-04 A... Amendment/Request for Reconsideration-After Non-Final Rejection 2 View
2003-08-04 CLM Claims 2 View
2003-08-04 REM Applicant Arguments/Remarks Made in an Amendment 2 View
2003-08-04 XT/ Extension of Time 1 View
2003-08-04 XT/ Extension of Time 1 View
2003-02-04 CTNF Non-Final Rejection 5 View
2003-02-04 892 List of references cited by examiner 1 View
2003-02-04 1449 List of References cited by applicant and considered by examiner 2 View
2002-07-31 CTMS Miscellaneous Action with shortened statutory period (SSP) 1 View
2002-07-31 M903 Notice of Designated Office (DO) / Elected Office (EO) Acceptance Mailed 2 View
2002-07-05 PETDEC Petition Decision 2 View
2002-01-23 LET. Miscellaneous Incoming Letter 4 View
2002-01-23 OATH Oath or Declaration filed 3 View
2001-11-13 IDS Information Disclosure Statement (IDS) Form (SB08) 2 View
2001-11-13 FOR Foreign Reference 22 View
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2001-11-13 FOR Foreign Reference 44 View
2001-11-13 FOR Foreign Reference 60 View
2001-11-13 FOR Foreign Reference 18 View
2001-11-13 FOR Foreign Reference 12 View
2001-11-01 CTMS Miscellaneous Action with shortened statutory period (SSP) 2 View
2001-10-01 M903 Notice of Designated Office (DO) / Elected Office (EO) Acceptance Mailed 2 View
2001-08-24 LET. Miscellaneous Incoming Letter 25 View
2001-08-24 LET. Miscellaneous Incoming Letter 1 View
2001-08-24 LET. Miscellaneous Incoming Letter 1 View
2001-08-24 OATH Oath or Declaration filed 3 View
2001-06-25 M905 Notice of DO/EO Missing Requirements Mailed 2 View
2001-05-17 TRNA Transmittal of New Application 2 View
2001-05-17 A.PE Preliminary Amendment 1 View
2001-05-17 CLM Claims 2 View
2001-05-17 REM Applicant Arguments/Remarks Made in an Amendment 2 View
2001-05-17 SPEC Specification 10 View
2001-05-17 CLM Claims 2 View
2001-05-17 ABST Abstract 1 View
2001-05-17 DRW Drawings-only black and white line drawings 2 View
2001-05-17 OATH Oath or Declaration filed 3 View
2001-05-17 WFEE Fee Worksheet (SB06) 1 View
2001-05-17 WFEE Fee Worksheet (SB06) 1 View
2001-05-17 WCLM Claims Worksheet (PTO-2022) 1 View
2001-05-17 FWCLM Index of Claims 1 View
2001-05-17 IIFW Issue Information including classification, examiner, name, claim, renumbering, etc. 1 View
2001-05-17 SRFW Search information including classification, databases and other search related notes 1 View
2001-05-17 371P Documents submitted with 371 (National Stage) Applications 13 View
2001-05-17 FRPR Certified Copy of Foreign Priority Application 16 View
2001-05-17 FOR Foreign Reference 26 View
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Quick Facts
Patent No.
US 6,806,235
App. No.
09/856,082
Filed
2001-08-24
Effective Filing
2001-05-17
Granted
2004-10-19
Art Unit
1712
PTA
0 days