Concessão da patente
#16.1
08/27/1985
RPI 775
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Official data from INPI
CIRCUITO E PROCESSO PARA O TRATAMENTO DE SINAIS DE MULTIPLAS FASES, VARIAVEIS EM AMPLITUDE E FASE, NECESSARIOS COMO CORRENTE OU TENSAO PARA O ACIONAMENTO DE MOTORES SINCRONICOS
ConcedidaInvention Patent
Application data
Number
PI8301555Type
Invention Patent
Filing
03/23/1982
Publication
12/06/1983
Progress at the INPI
- Filing03/23/82
- Publication12/06/83
- Examination06/12/84
- Allowance01/02/85
- Grant08/27/85
- Terminated04/25/95
The patent was granted on 08/27/1985 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: 08/27/1985. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
SP EL SRL [IT]
Inventors
F. L. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
04/23/1985
RPI 757
Deferimento
#9.1
01/02/1985
RPI 741
Solicitação de exame técnico
#4.1
06/12/1984
RPI 712
Publicação do pedido de patente
#3.1
12/06/1983
RPI 685
Pedido de patente depositado
#2.1
05/10/1983
RPI 655
Anuidade - prazo legal encerrado
#18.2
04/25/1995
RPI 1273
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