IP Library › Patent Application 09744541
Patent Application Utility PCT National Stage
App. No. 09/744,541 · Confirmation No. 9596

LIGHT-RECEIVING ELEMENT ARRAY DEVICE AND OPTICAL DEMULTIPLEXER USING THE SAME

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗
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Code Description Pages PDF
2003-09-03 LET. Miscellaneous Incoming Letter 3 View
2001-01-25 LET. Miscellaneous Incoming Letter 40 View
2001-01-25 LET. Miscellaneous Incoming Letter 40 View
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Quick Facts
App. No.
09/744,541
Filed
2001-01-25
Granted
2004-03-23
Art Unit
2877
PTA
-188 days