IP Library › Granted Patent US 6,690,215
Granted Patent Utility
US 6,690,215 · Confirmation No. 9740

SIGMA-DELTA-BASED FREQUENCY SYNTHESIS

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2016-05-10 MFEE.C.AD Maintenance Fee Address Change 2 View
2016-05-10 PA.. Power of Attorney 1 View
2016-05-10 N417 Electronic Filing System Acknowledgment Receipt 2 View
2016-05-10 R3.73 Assignee showing of ownership per 37 CFR 3.73 3 View
2003-12-12 IFEE Issue Fee Payment (PTO-85B) 2 View
2003-12-12 LET. Miscellaneous Incoming Letter 3 View
2003-12-12 C.AD Change of Address 1 View
2003-07-31 RCEX Request for Continued Examination (RCE) 1 View
2003-07-31 IDS Information Disclosure Statement (IDS) Form (SB08) 4 View
2003-07-31 FOR Foreign Reference 10 View
2003-07-31 FOR Foreign Reference 48 View
2001-08-29 TRNA Transmittal of New Application 2 View
2001-08-29 SPEC Specification 7 View
2001-08-29 CLM Claims 4 View
2001-08-29 ABST Abstract 1 View
2001-08-29 DRW Drawings-only black and white line drawings 5 View
2001-08-29 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,690,215
App. No.
09/942,449
Filed
2001-08-29
Granted
2004-02-10
Pub. No.
US20020043992A1
Art Unit
2816
PTA
-243 days