IP Library › Granted Patent US 6,715,570
Granted Patent Utility
US 6,715,570 · Confirmation No. 6161

TWO STAGE DOWNHOLE DRILLING FLUID FILTER

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2004-02-12 IFEE Issue Fee Payment (PTO-85B) 3 View
2004-01-26 IDS Information Disclosure Statement (IDS) Form (SB08) 2 View
2004-01-26 FOR Foreign Reference 20 View
2002-09-17 TRNA Transmittal of New Application 9 View
2002-09-17 ADS Application Data Sheet 2 View
2002-09-17 SPEC Specification 10 View
2002-09-17 CLM Claims 4 View
2002-09-17 ABST Abstract 2 View
2002-09-17 DRW Drawings-only black and white line drawings 4 View
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Quick Facts
Patent No.
US 6,715,570
App. No.
10/065,100
Filed
2002-09-17
Granted
2004-04-06
Pub. No.
US20040050591A1
Art Unit
3672
PTA
-62 days