IP Library › Patent Application 61444691
Patent Application Provisional
App. No. 61/444,691 · Confirmation No. 4310

METHOD AND APPARATUS FOR STRENGTHENING A WELLBORE

Provisional Application Expired
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 Code Description Pages PDF
2012-02-23 APP.FILE.REC Filing Receipt 3 View
2012-02-23 WFEE Fee Worksheet (SB06) 1 View
2011-03-18 ADS Application Data Sheet 3 View
2011-03-18 WFEE Fee Worksheet (SB06) 2 View
2011-03-18 N417 Electronic Filing System Acknowledgment Receipt 2 View
2011-03-04 NTC.MISS.PRT Notice to File Missing Parts 2 View
2011-03-04 APP.FILE.REC Filing Receipt 3 View
2011-02-18 SPEC Specification 9 View
2011-02-18 CLM Claims 1 View
2011-02-18 DRW Drawings-only black and white line drawings 1 View
2011-02-18 WFEE Fee Worksheet (SB06) 2 View
2011-02-18 N417 Electronic Filing System Acknowledgment Receipt 2 View
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Quick Facts
App. No.
61/444,691
Filed
2011-02-18