IP Library › Granted Patent US 6,655,456
Granted Patent Utility
US 6,655,456 · Confirmation No. 2211

LINER HANGER SYSTEM

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2014-03-20 MFEE.C.AD Maintenance Fee Address Change 1 View
2014-03-20 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2014-03-20 N417 Electronic Filing System Acknowledgment Receipt 2 View
2002-01-16 TRNA Transmittal of New Application 4 View
2002-01-16 DRW Drawings-only black and white line drawings 4 View
2002-01-16 OATH Oath or Declaration filed 3 View
2001-08-31 TRNA Transmittal of New Application 5 View
2001-08-31 SPEC Specification 6 View
2001-08-31 CLM Claims 3 View
2001-08-31 ABST Abstract 1 View
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2001-08-31 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,655,456
App. No.
09/943,854
Filed
2001-08-31
Granted
2003-12-02
Examiner
TSAY, FRANK
Art Unit
3672
PTA
-67 days