14.4
05/17/1988
RPI 917
Back to search
Official data from INPI
CONJUNTO DE CIRCUITO PARA SISTEMA TELEFÔNICO
Em AnáliseInvention Patent
Application data
Number
PI8504875Type
Invention Patent
Filing
10/03/1985
Publication
07/22/1986
Progress at the INPI
- Filing10/03/85
- Publication07/22/86
- Examination01/26/88
- Allowance05/21/91
- Grant11/26/91
- Terminated06/04/96
The patent was granted on 11/26/1991 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: 05/17/1988. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
A. A. (pessoa física)
AT
Inventors
E. N. (pessoa física)
AT
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Solicitação de exame técnico
#4.1
01/26/1988
RPI 901
Publicação do pedido de patente
#3.1
07/22/1986
RPI 822
Pedido de patente depositado
#2.1
12/17/1985
RPI 791
Anuidade - prazo legal encerrado
#18.2
06/04/1996
RPI 1331
Concessão da patente
#16.1
11/26/1991
RPI 1095
Republicação - classificação IPC
#15.11
11/05/1991
RPI 1092
Notificação para pagamento de retribuição
#13.1
09/03/1991
RPI 1083
Deferimento
#9.1
05/21/1991
RPI 1068
Patent monitoring
Track this patent in real time.
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.