IP Library › Granted Patent US 6,637,514
Granted Patent Utility PCT National Stage
US 6,637,514 · Confirmation No. 7174

RECOVERY OF PRODUCTION FLUIDS FROM AN OIL OR GAS WELL

Inventors: Ian Donald, James Steele
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2017-04-28 SOL.NTC.SUIT Report on the filing or determination of an action regarding a patent 1 View
2015-06-01 SOL.NTC.SUIT Report on the filing or determination of an action regarding a patent 2 View
2009-03-25 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-03-25 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-10-03 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-10-03 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-09-26 N417 Electronic Filing System Acknowledgment Receipt 2 View
2008-09-26 PA.. Power of Attorney 4 View
2003-09-02 IFEE Issue Fee Payment (PTO-85B) 3 View
2002-07-16 LET. Miscellaneous Incoming Letter 36 View
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Quick Facts
Patent No.
US 6,637,514
App. No.
10/009,991
Filed
2002-07-16
Effective Filing
2001-11-12
Granted
2003-10-28
Art Unit
3672
PTA
0 days