IP Library › Granted Patent US 6,628,862
Granted Patent Utility Small
US 6,628,862 · Confirmation No. 3769

THERMAL-INDUCED WAVEGUIDE GRATINGS

Inventor: X Steve Yao
Patented Case View Patent ↗
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 Code Description Pages PDF
2021-04-28 MF.AD.PAIR Maintenance Fee Address Change for PAIR 1 View
2021-04-26 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2021-04-26 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2021-04-16 PA.. Power of Attorney 1 View
2021-04-16 N417 Electronic Filing System Acknowledgment Receipt 2 View
2021-04-16 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2021-03-04 OATH Oath or Declaration filed 15 View
2011-03-14 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-03-14 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2010-10-29 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2010-10-29 PA.. Power of Attorney 1 View
2010-10-29 N417 Electronic Filing System Acknowledgment Receipt 2 View
2003-08-04 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-08-04 LET. Miscellaneous Incoming Letter 1 View
2003-08-04 DRW Drawings-only black and white line drawings 1 View
2002-02-15 TRNA Transmittal of New Application 7 View
2002-02-15 ADS Application Data Sheet 1 View
2002-02-15 SPEC Specification 5 View
2002-02-15 CLM Claims 2 View
2002-02-15 ABST Abstract 2 View
2002-02-15 DRW Drawings-only black and white line drawings 1 View
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Quick Facts
Patent No.
US 6,628,862
App. No.
09/683,796
Filed
2002-02-15
Granted
2003-09-30
Art Unit
2633
PTA
-28 days