IP Library › Patent Application 09786037
Patent Application Utility PCT National Stage
App. No. 09/786,037 · Confirmation No. 3671

SOLID STATE TRANSDUCER FOR CONVERTING BETWEEN AN ELECTRICAL SIGNAL AND SOUND

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗
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 Code Description Pages PDF
2016-05-16 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2016-05-16 PA.. Power of Attorney 1 View
2016-05-16 N417 Electronic Filing System Acknowledgment Receipt 2 View
2009-10-29 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-10-29 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-10-23 PA.. Power of Attorney 1 View
2009-10-23 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2009-10-23 N417 Electronic Filing System Acknowledgment Receipt 2 View
2009-04-30 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2001-05-08 ABST Abstract 1 View
2001-05-08 LET. Miscellaneous Incoming Letter 40 View
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Quick Facts
App. No.
09/786,037
Filed
2001-05-08
Granted
2003-04-22
Art Unit
2834
PTA
0 days