IP Library › Granted Patent US 6,710,679
Granted Patent Utility
US 6,710,679 · Confirmation No. 3685

ANALOG RAT-RACE PHASE SHIFTERS TUNED BY DIELECTRIC VARACTORS

Inventor: Yongfei Zhu
Patented Case View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2012-05-01 LET. Miscellaneous Incoming Letter 1 View
2012-05-01 N417 Electronic Filing System Acknowledgment Receipt 2 View
2009-11-18 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2008-04-02 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2004-02-02 IFEE Issue Fee Payment (PTO-85B) 1 View
2004-02-02 LET. Miscellaneous Incoming Letter 2 View
2001-08-16 TRNA Transmittal of New Application 2 View
2001-08-16 ADS Application Data Sheet 1 View
2001-08-16 SPEC Specification 10 View
2001-08-16 CLM Claims 3 View
2001-08-16 ABST Abstract 1 View
2001-08-16 DRW Drawings-only black and white line drawings 4 View
2001-08-16 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,710,679
App. No.
09/931,503
Filed
2001-08-16
Granted
2004-03-23
Pub. No.
US20030034858A1
Art Unit
2819
PTA
-318 days