IP Library › Granted Patent US 6,509,874
Granted Patent Utility
US 6,509,874 · Confirmation No. 4885

REACTIVE MATCHING FOR WAVEGUIDE-SLOT-MICROSTRIP TRANSITIONS

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 Code Description Pages PDF
2018-07-18 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2018-07-18 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2018-06-27 PA.. Power of Attorney 3 View
2018-06-27 R3.73 Assignee showing of ownership per 37 CFR 3.73 3 View
2018-06-27 LET. Miscellaneous Incoming Letter 10 View
2018-06-27 N417 Electronic Filing System Acknowledgment Receipt 2 View
2018-06-27 MFEE.C.AD Maintenance Fee Address Change 2 View
2009-02-12 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-02-12 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-02-05 N417 Electronic Filing System Acknowledgment Receipt 2 View
2009-02-05 PA.. Power of Attorney 1 View
2009-02-05 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2001-07-13 TRNA Transmittal of New Application 4 View
2001-07-13 SPEC Specification 14 View
2001-07-13 CLM Claims 5 View
2001-07-13 ABST Abstract 1 View
2001-07-13 DRW Drawings-only black and white line drawings 3 View
2001-07-13 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,509,874
App. No.
09/905,245
Filed
2001-07-13
Granted
2003-01-21
Pub. No.
US20030011517A1
Examiner
HO, TAN
Art Unit
2821
PTA
0 days