IP Library › Granted Patent US 6,441,491
Granted Patent Utility
US 6,441,491 · Confirmation No. 6445

ULTRALOW DIELECTRIC CONSTANT MATERIAL AS AN INTRALEVEL OR INTERLEVEL DIELECTRIC IN A SEMICONDUCTOR DEVICE AND ELECTRONIC DEVICE CONTAINING THE SAME

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2014-03-03 MFEE.C.AD Maintenance Fee Address Change 1 View
2014-03-03 N417 Electronic Filing System Acknowledgment Receipt 2 View
2014-02-25 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2014-02-25 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2014-02-12 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
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2014-02-12 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-01-25 TRNA Transmittal of New Application 5 View
2001-01-25 SPEC Specification 29 View
2001-01-25 CLM Claims 13 View
2001-01-25 ABST Abstract 1 View
2001-01-25 DRW Drawings-only black and white line drawings 7 View
2001-01-25 OATH Oath or Declaration filed 2 View
2001-01-25 TRNA Transmittal of New Application 5 View
2001-01-25 SPEC Specification 29 View
2001-01-25 CLM Claims 13 View
2001-01-25 ABST Abstract 1 View
2001-01-25 DRW Drawings-only black and white line drawings 7 View
2001-01-25 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,441,491
App. No.
09/769,089
Filed
2001-01-25
Granted
2002-08-27
Pub. No.
US20020137359A1
Art Unit
2818
PTA
-51 days