IP Library › Patent Application 61690346
Patent Application Provisional Small
App. No. 61/690,346 · Confirmation No. 5139

Device for limiting flow through a section of drill string

Provisional Application Expired
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2013-05-07 PD.TO.AUTH Authorization or Rescission of Authorization to Access Application by Digital Access Service /Priority Document Exchange Office 2 View
2013-05-07 N417 Electronic Filing System Acknowledgment Receipt 2 View
2013-05-06 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2013-04-27 PA.. Power of Attorney 2 View
2013-04-27 PA.. Power of Attorney 2 View
2013-04-27 N417 Electronic Filing System Acknowledgment Receipt 2 View
2012-07-16 APP.FILE.REC Filing Receipt 3 View
2012-06-25 TRNA Transmittal of New Application 2 View
2012-06-25 ABST Abstract 1 View
2012-06-25 SPEC Specification 2 View
2012-06-25 CLM Claims 1 View
2012-06-25 DRW Drawings-only black and white line drawings 4 View
2012-06-25 WFEE Fee Worksheet (SB06) 1 View
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Quick Facts
App. No.
61/690,346
Filed
2012-06-25