IP Library › Granted Patent US 6,781,458
Granted Patent Utility
US 6,781,458 · Confirmation No. 1635

PROVIDING DC ISOLATION IN SWITCHING AMPLIFIERS

Inventor: Babak Mazda
Patented Case View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2004-07-15 IFEE Issue Fee Payment (PTO-85B) 1 View
2004-05-25 NOA Notice of Allowance and Fees Due (PTOL-85) 3 View
2004-05-25 NOA Notice of Allowance and Fees Due (PTOL-85) 1 View
2004-05-25 IIFW Issue Information including classification, examiner, name, claim, renumbering, etc. 1 View
2004-05-25 DRW Drawings-only black and white line drawings 1 View
2004-05-25 SRFW Search information including classification, databases and other search related notes 1 View
2004-05-19 SRNT Examiner's search strategy and results 1 View
2004-05-13 IDS Information Disclosure Statement (IDS) Form (SB08) 3 View
2004-04-23 A... Amendment/Request for Reconsideration-After Non-Final Rejection 2 View
2004-04-23 SPEC Specification 1 View
2004-04-23 CLM Claims 5 View
2004-04-23 REM Applicant Arguments/Remarks Made in an Amendment 7 View
2004-04-23 DRW Drawings-only black and white line drawings 1 View
2004-03-11 CTNF Non-Final Rejection 6 View
2004-03-11 1449 List of References cited by applicant and considered by examiner 1 View
2004-03-11 892 List of references cited by examiner 1 View
2004-03-11 SRFW Search information including classification, databases and other search related notes 1 View
2004-03-03 SRNT Examiner's search strategy and results 1 View
2003-09-15 IDS Information Disclosure Statement (IDS) Form (SB08) 3 View
2003-08-28 OATH Oath or Declaration filed 2 View
2003-08-12 PEFN Pre-Exam Formalities Notice 2 View
2003-06-03 TRNA Transmittal of New Application 2 View
2003-06-03 SPEC Specification 8 View
2003-06-03 CLM Claims 4 View
2003-06-03 ABST Abstract 1 View
2003-06-03 DRW Drawings-only black and white line drawings 2 View
2003-06-03 WFEE Fee Worksheet (SB06) 1 View
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this application's details
Quick Facts
Patent No.
US 6,781,458
App. No.
10/454,789
Filed
2003-06-03
Granted
2004-08-24
Pub. No.
US20040036533A1
Art Unit
2817
PTA
0 days