IP Library Granted Patent US 7,918,277
Granted Patent Utility
US 7,918,277 · Confirmation No. 1475

METHOD OF TREATING SUBTERRANEAN FORMATIONS USING MIXED DENSITY PROPPANTS OR SEQUENTIAL PROPPANT STAGES

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2011-03-16 ISSUE.NTF Issue Notification 1 View
2011-02-28 IFEE Issue Fee Payment (PTO-85B) 1 View
2011-02-28 WFEE Fee Worksheet (SB06) 2 View
2011-02-28 N417 Electronic Filing System Acknowledgment Receipt 2 View
2011-02-02 1449 List of References cited by applicant and considered by examiner 1 View
2011-02-01 1449 List of References cited by applicant and considered by examiner 3 View
2010-12-01 NOA Notice of Allowance and Fees Due (PTOL-85) 4 View
2010-12-01 BIB Bibliographic Data Sheet 1 View
2010-12-01 SRNT Examiner's search strategy and results 1 View
2010-12-01 IIFW Issue Information including classification, examiner, name, claim, renumbering, etc. 1 View
2010-12-01 SRFW Search information including classification, databases and other search related notes 1 View
2010-12-01 ANE.I Amendment After Final or under 37CFR 1.312, initialed by the examiner. 1 View
2010-11-24 A.NE Response After Final Action 2 View
2010-11-24 SPEC Specification 1 View
2010-11-24 CLM Claims 11 View
2010-11-24 REM Applicant Arguments/Remarks Made in an Amendment 2 View
2010-11-24 N417 Electronic Filing System Acknowledgment Receipt 2 View
2010-11-24 WFEE Fee Worksheet (SB06) 1 View
2010-10-18 CTFR Final Rejection 6 View
2010-10-18 SRFW Search information including classification, databases and other search related notes 1 View
2010-10-18 BIB Bibliographic Data Sheet 1 View
2010-10-18 SRNT Examiner's search strategy and results 1 View
2010-08-02 A... Amendment/Request for Reconsideration-After Non-Final Rejection 1 View
2010-08-02 SPEC Specification 1 View
2010-08-02 REM Applicant Arguments/Remarks Made in an Amendment 3 View
2010-08-02 XT/ Extension of Time 1 View
2010-04-26 NTC.A.NONCPL Notice to the applicant regarding a non-compliant or non-responsive amendment 2 View
2010-04-26 NTC.A.NONCPL Notice to the applicant regarding a non-compliant or non-responsive amendment 2 View
2009-11-06 DISQ Terminal Disclaimer review decision 1 View
2009-10-07 A... Amendment/Request for Reconsideration-After Non-Final Rejection 1 View
2009-10-07 CLM Claims 9 View
2009-10-07 REM Applicant Arguments/Remarks Made in an Amendment 2 View
2009-10-07 XT/ Extension of Time 1 View
2009-10-07 DIST Terminal Disclaimer Filed 2 View
2009-10-07 DIST Terminal Disclaimer Filed 2 View
2009-10-07 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2009-10-07 WFEE Fee Worksheet (SB06) 2 View
2009-10-07 N417 Electronic Filing System Acknowledgment Receipt 3 View
2009-10-07 WFEE Fee Worksheet (SB06) 1 View
2009-05-12 CTNF Non-Final Rejection 7 View
2009-05-12 892 List of references cited by examiner 1 View
2009-05-12 FWCLM Index of Claims 1 View
2009-05-12 SRFW Search information including classification, databases and other search related notes 1 View
2009-05-12 BIB Bibliographic Data Sheet 1 View
2009-05-12 SRNT Examiner's search strategy and results 2 View
2009-05-12 1449 List of References cited by applicant and considered by examiner 2 View
2009-05-12 1449 List of References cited by applicant and considered by examiner 6 View
2009-05-12 1449 List of References cited by applicant and considered by examiner 7 View
2009-05-12 1449 List of References cited by applicant and considered by examiner 6 View
2009-04-30 NTC.PUB Notice of Publication 1 View
2009-02-09 IDS Information Disclosure Statement (IDS) Form (SB08) 2 View
2009-02-09 TRAN.LET Transmittal Letter 2 View
2009-02-09 N417 Electronic Filing System Acknowledgment Receipt 3 View
2009-02-09 CFILE Request for Corrected Filing Receipt 3 View
2009-02-09 FOR Foreign Reference 16 View
2009-02-09 FOR Foreign Reference 9 View
2009-02-09 FOR Foreign Reference 6 View
2009-02-09 FOR Foreign Reference 29 View
2009-02-09 FOR Foreign Reference 46 View
2009-02-09 FOR Foreign Reference 27 View
2009-02-09 FOR Foreign Reference 32 View
2009-02-09 IDS Information Disclosure Statement (IDS) Form (SB08) 6 View
2009-02-09 TRAN.LET Transmittal Letter 2 View
2009-02-09 IDS Information Disclosure Statement (IDS) Form (SB08) 7 View
2009-02-09 TRAN.LET Transmittal Letter 2 View
2009-02-09 IDS Information Disclosure Statement (IDS) Form (SB08) 6 View
2009-02-09 TRAN.LET Transmittal Letter 2 View
2009-01-21 APP.FILE.REC Filing Receipt 3 View
2009-01-21 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-01-14 PA.. Power of Attorney 1 View
2009-01-14 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2009-01-14 N417 Electronic Filing System Acknowledgment Receipt 2 View
2008-12-31 SPEC Specification 26 View
2008-12-31 CLM Claims 1 View
2008-12-31 ABST Abstract 1 View
2008-12-31 DRW.NONBW Drawings-other than black and white line drawings 2 View
2008-12-31 OATH Oath or Declaration filed 5 View
2008-12-31 WFEE Fee Worksheet (SB06) 2 View
2008-12-31 N417 Electronic Filing System Acknowledgment Receipt 3 View
2008-12-31 136A Authorization for Extension of Time all replies 3 View
2008-12-31 SCORE Placeholder sheet indicating presence of supplemental content in Supplemental Complex Repository for Examiners(SCORE) 1 View
2008-12-31 WFEE Fee Worksheet (SB06) 1 View
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Quick Facts
Patent No.
US 7,918,277
App. No.
12/347,671
Filed
2008-12-31
Granted
2011-04-05
Pub. No.
US20090107674A1
Art Unit
3676
PTA
-355 days