IP Library › Granted Patent US 6,587,544
Granted Patent Utility
US 6,587,544 · Confirmation No. 3326

METHOD FOR MEASURING A LOAD IMPEDANCE

Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2019-09-19 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2019-09-19 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2019-09-13 C.AD Change of Address 2 View
2019-09-13 N417 Electronic Filing System Acknowledgment Receipt 2 View
2019-09-13 PA.. Power of Attorney 3 View
2019-09-13 R3.73 Assignee showing of ownership per 37 CFR 3.73 3 View
2019-09-13 MFEE.C.AD Maintenance Fee Address Change 2 View
2001-10-15 TRNA Transmittal of New Application 5 View
2001-10-15 A.PE Preliminary Amendment 6 View
2001-10-15 SPEC Specification 12 View
2001-10-15 CLM Claims 3 View
2001-10-15 ABST Abstract 1 View
2001-10-15 DRW Drawings-only black and white line drawings 2 View
2001-10-15 OATH Oath or Declaration filed 3 View
2001-10-15 LET. Miscellaneous Incoming Letter 4 View
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Quick Facts
Patent No.
US 6,587,544
App. No.
09/977,727
Filed
2001-10-15
Granted
2003-07-01
Pub. No.
US20020114428A1
Art Unit
2643
PTA
-95 days