IP Library › Granted Patent US 6,766,570
Granted Patent Utility Small
US 6,766,570 · Confirmation No. 6047

COUPLING UNITS CONNECTING TUBULAR MEMBERS HAVING A HARDENED INNER WALL FOR CARRYING MECHANICALLY ABRASIVE FLUID CONCRETE

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2004-04-01 LET. Miscellaneous Incoming Letter 2 View
2004-02-13 CTNF Non-Final Rejection 6 View
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2002-01-08 IIFW Issue Information including classification, examiner, name, claim, renumbering, etc. 1 View
2002-01-08 SRFW Search information including classification, databases and other search related notes 1 View
2002-01-08 FWCLM Index of Claims 1 View
2002-01-08 TRNA Transmittal of New Application 7 View
2002-01-08 DRW Drawings-only black and white line drawings 4 View
2002-01-08 SPEC Specification 11 View
2002-01-08 CLM Claims 6 View
2002-01-08 ABST Abstract 1 View
2002-01-08 OATH Oath or Declaration filed 3 View
2002-01-08 WFEE Fee Worksheet (SB06) 1 View
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2002-01-08 WCLM Claims Worksheet (PTO-2022) 1 View
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Quick Facts
Patent No.
US 6,766,570
App. No.
10/041,221
Filed
2002-01-08
Granted
2004-07-27
Art Unit
3726
PTA
0 days