IP Library › Granted Patent US 6,643,440
Granted Patent Utility
US 6,643,440 · Confirmation No. 5346

TEMPERATURE RANGE ADJUSTED COATED OPTICAL FIBERS

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2018-07-11 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2018-07-11 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2018-07-05 MFEE.C.AD Maintenance Fee Address Change 2 View
2018-07-05 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2018-07-05 R3.73 Assignee showing of ownership per 37 CFR 3.73 16 View
2018-07-05 N417 Electronic Filing System Acknowledgment Receipt 2 View
2018-07-05 PA.. Power of Attorney 1 View
2003-09-04 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-09-04 LET. Miscellaneous Incoming Letter 1 View
2002-09-20 TRNA Transmittal of New Application 2 View
2002-09-20 SPEC Specification 7 View
2002-09-20 CLM Claims 3 View
2002-09-20 ABST Abstract 1 View
2002-09-20 DRW Drawings-only black and white line drawings 1 View
2002-09-20 OATH Oath or Declaration filed 7 View
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Quick Facts
Patent No.
US 6,643,440
App. No.
10/251,462
Filed
2002-09-20
Granted
2003-11-04
Pub. No.
US20030026988A1
Art Unit
2874
PTA
0 days