IP Library › Granted Patent US 6,493,481
Granted Patent Utility
US 6,493,481 · Confirmation No. 6170

A LARGE SCALE OPTICAL MATRIX SWITCH UNIT

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 Code Description Pages PDF
2012-07-31 COCOUT Certificate of Correction - Post Issue Communication 1 View
2012-06-19 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2012-06-19 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2012-06-19 COCOUT Certificate of Correction - Post Issue Communication 1 View
2012-06-12 PA.. Power of Attorney 1 View
2012-06-12 LET. Miscellaneous Incoming Letter 1 View
2012-06-12 N417 Electronic Filing System Acknowledgment Receipt 2 View
2012-06-12 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2012-05-08 COCIN Request for Certificate of Correction 2 View
2012-05-08 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-02-08 TRNA Transmittal of New Application 2 View
2001-02-08 SPEC Specification 11 View
2001-02-08 CLM Claims 4 View
2001-02-08 ABST Abstract 1 View
2001-02-08 DRW Drawings-only black and white line drawings 4 View
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Quick Facts
Patent No.
US 6,493,481
App. No.
09/778,858
Filed
2001-02-08
Granted
2002-12-10
Pub. No.
US20010024541A1
Examiner
HYEON, HAE M
Art Unit
2839
PTA
-57 days