6.2
09/08/1987
RPI 881
Back to search
Official data from INPI
APARELHO TRANSDUTOR PARA UMA ONDA ACÚSTICA RECEBIDA EM, OU TRANSMITIDA POR, UM MEIO DE TRANSMISSÃO EXTERNO
Em ExigênciaInvention Patent
Application data
Number
PI8306569Type
Invention Patent
Filing
11/29/1983
Publication
09/18/1984
Progress at the INPI
- Filing11/29/83
- Publication09/18/84
- Examination08/12/86
- Allowance09/18/90
- Grant03/26/91
- Terminated04/23/96
The patent was granted on 03/26/1991 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: 09/08/1987. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Magnavox Electronic Systems Company.
US
Magnavox Government and Industrial Electronics Company
US
Inventors
J. C. (pessoa física)
US
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Solicitação de exame técnico
#4.1
08/12/1986
RPI 825
Publicação do pedido de patente
#3.1
09/18/1984
RPI 726
Pedido de patente depositado
#2.1
02/14/1984
RPI 695
Anuidade - prazo legal encerrado
#18.2
04/23/1996
RPI 1325
20.4
03/08/1994
RPI 1214
Concessão da patente
#16.1
03/26/1991
RPI 1060
Notificação para pagamento de retribuição
#13.1
01/02/1991
RPI 1048
Deferimento
#9.1
09/18/1990
RPI 1033
Exigência - art. 36 da LPI
#6.1
03/13/1990
RPI 1009
Patent monitoring
Track this patent in real time.
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.