IP Library › Granted Patent US 6,724,971
Granted Patent Utility
US 6,724,971 · Confirmation No. 8609

VARIABLE OPTICAL ATTENUATOR

Inventor: Chih Chiang Chang
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2004-03-08 CTMS Miscellaneous Action with shortened statutory period (SSP) 1 View
2004-02-03 FRPR Certified Copy of Foreign Priority Application 22 View
2004-01-30 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-10-29 NOA Notice of Allowance and Fees Due (PTOL-85) 4 View
2003-10-29 NOA Notice of Allowance and Fees Due (PTOL-85) 4 View
2003-10-29 892 List of references cited by examiner 1 View
2003-10-29 IIFW Issue Information including classification, examiner, name, claim, renumbering, etc. 1 View
2003-10-29 FWCLM Index of Claims 1 View
2003-10-29 SRFW Search information including classification, databases and other search related notes 1 View
2003-10-29 SRNT Examiner's search strategy and results 2 View
2002-03-04 TRNA Transmittal of New Application 2 View
2002-03-04 SPEC Specification 7 View
2002-03-04 CLM Claims 4 View
2002-03-04 ABST Abstract 1 View
2002-03-04 DRW Drawings-only black and white line drawings 3 View
2002-03-04 OATH Oath or Declaration filed 2 View
2002-03-04 WFEE Fee Worksheet (SB06) 1 View
2002-03-04 WFEE Fee Worksheet (SB06) 1 View
2002-03-04 WCLM Claims Worksheet (PTO-2022) 1 View
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Quick Facts
Patent No.
US 6,724,971
App. No.
10/092,202
Filed
2002-03-04
Granted
2004-04-20
Pub. No.
US20030103757A1
Art Unit
2877
PTA
-79 days