IP Library › Granted Patent US 6,491,117
Granted Patent Utility Small
US 6,491,117 · Confirmation No. 4926

APPARATUS FOR RETRIEVING METAL DEBRIS FROM A WELL BORE

Inventor: David J. Ruttley
Patented Case View Patent ↗ View Publication ↗
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2016-06-24 OATH Oath or Declaration filed 11 View
2016-06-23 OATH Oath or Declaration filed 9 View
2009-03-31 SOL.NTC.SUIT Report on the filing or determination of an action regarding a patent 1 View
2009-03-30 SOL.NTC.SUIT Report on the filing or determination of an action regarding a patent 1 View
2008-06-18 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-06-18 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2001-06-11 DRW Drawings-only black and white line drawings 4 View
2001-04-05 TRNA Transmittal of New Application 2 View
2001-04-05 SPEC Specification 11 View
2001-04-05 CLM Claims 4 View
2001-04-05 ABST Abstract 1 View
2001-04-05 DRW Drawings-only black and white line drawings 4 View
2001-04-05 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,491,117
App. No.
09/827,116
Filed
2001-04-05
Granted
2002-12-10
Pub. No.
US20020057151A1
Art Unit
2832
PTA
-107 days