IP Library › Granted Patent US 6,747,499
Granted Patent Utility
US 6,747,499 · Confirmation No. 1115

TUNABLE QUADRATURE PHASE SHIFTER USING AN ALL-PASS CIRCUIT

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 Code Description Pages PDF
2004-04-19 LET. Miscellaneous Incoming Letter 1 View
2004-04-19 DRW Drawings-only black and white line drawings 6 View
2004-02-20 IFEE Issue Fee Payment (PTO-85B) 1 View
2004-02-20 LET. Miscellaneous Incoming Letter 1 View
2004-02-20 DRW Drawings-only black and white line drawings 6 View
2002-08-12 TRNA Transmittal of New Application 2 View
2002-08-12 A.PE Preliminary Amendment 7 View
2002-08-12 SPEC Specification 10 View
2002-08-12 CLM Claims 3 View
2002-08-12 ABST Abstract 1 View
2002-08-12 DRW Drawings-only black and white line drawings 6 View
2002-08-12 OATH Oath or Declaration filed 1 View
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Quick Facts
Patent No.
US 6,747,499
App. No.
10/217,825
Filed
2002-08-12
Granted
2004-06-08
Pub. No.
US20030042958A1
Art Unit
2816
PTA
-112 days