Concessão da patente
#16.1
12/26/1984
RPI 740
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Official data from INPI
DISPOSITIVO DE CHAMADA AUTOMÁTICO POR FALTA DE TENSÃO DO COMANDO DE UM COMUTADOR ROTATIVO.
ConcedidaInvention Patent
Application data
Number
PI8102487Type
Invention Patent
Filing
04/24/1981
Publication
01/05/1982
Progress at the INPI
- Filing04/24/81
- Publication01/05/82
- Examination10/18/83
- Allowance06/12/84
- Grant12/26/84
- Expired10/01/96
The letters patent expired on 10/01/1996: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 12/26/1984. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
C. A. (pessoa física)
FR
Inventors
D. J. (pessoa física)
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
10/02/1984
RPI 728
Deferimento
#9.1
06/12/1984
RPI 712
Solicitação de exame técnico
#4.1
10/18/1983
RPI 678
Publicação do pedido de patente
#3.1
01/05/1982
RPI 585
Carta-patente expirada
#21.1
10/01/1996
RPI 1348
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