IP Library › Granted Patent US 6,563,404
Granted Patent Utility
US 6,563,404 · Confirmation No. 5197

VOLTAGE TUNABLE PATCH FILTER ELEMENT WITH DIELECTRICALLY LOADED SLOT

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2026-01-16 OATH Oath or Declaration filed 56 View
2026-01-13 OATH Oath or Declaration filed 94 View
2026-01-13 OATH Oath or Declaration filed 82 View
2019-12-12 OATH Oath or Declaration filed 36 View
2001-06-13 TRNA Transmittal of New Application 5 View
2001-06-13 SPEC Specification 10 View
2001-06-13 CLM Claims 4 View
2001-06-13 ABST Abstract 1 View
2001-06-13 DRW Drawings-only black and white line drawings 2 View
2001-06-13 OATH Oath or Declaration filed 6 View
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Quick Facts
Patent No.
US 6,563,404
App. No.
09/880,381
Filed
2001-06-13
Granted
2003-05-13
Pub. No.
US20020190820A1
Art Unit
2817
PTA
-3 days