102
09/12/1989
RPI 986
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Official data from INPI
INTERFACE DE LINHA DE TELEFONE PARA RECEBER E TRANSMITIR SINAIS ANALÓGICOS DE ÁUDIO ENTRE UMA CHAVE E UM TELEFONE DE ASSINANTE
Em AnáliseInvention Patent
Application data
Number
PI8307506Type
Invention Patent
Filing
09/07/1983
Publication
08/14/1984
Progress at the INPI
- Filing09/07/83
- Publication08/14/84
- Examination06/17/86
- Allowance01/16/90
- Grant08/28/90
- Terminated05/30/95
The patent was granted on 08/28/1990 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 09/12/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
The Board of Trustees of The Leland Stanford Junior University
US
Inventors
B. L. (pessoa física)
US
H. N. (pessoa física)
US
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
15.15
03/21/1989
RPI 961
Republicação - classificação IPC
#15.11
11/22/1988
RPI 944
11.3
09/27/1988
RPI 936
Solicitação de exame técnico
#4.1
06/17/1986
RPI 817
Notificação de entrada na fase nacional - PCT
#1.3
08/14/1984
RPI 721
Anuidade - prazo legal encerrado
#18.2
05/30/1995
RPI 1278
Concessão da patente
#16.1
08/28/1990
RPI 1030
Notificação para pagamento de retribuição
#13.1
05/08/1990
RPI 1017
Deferimento
#9.1
01/16/1990
RPI 1002
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