Concessão da patente
#16.1
12/27/1983
RPI 688
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Official data from INPI
DISPOSITIVO MAGNETICO COMUTAVEL E PROCESSO DE FABRICACAO DO MESMO
ConcedidaInvention Patent
Progress at the INPI
- Filing05/03/77
- Publication
- Examination
- Allowance08/17/82
- Grant12/27/83
- Expired11/30/93
The letters patent expired on 11/30/1993: 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: 12/27/1983. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
ECHLIN MFG CO
Inventors
W. J. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
02/22/1983
RPI 644
Notificação para pagamento de retribuição
#13.1
12/28/1982
RPI 636
15.0
09/28/1982
RPI 623
Deferimento
#9.1
08/17/1982
RPI 617
Exigência - art. 36 da LPI
#6.1
01/26/1982
RPI 588
Carta-patente expirada
#21.1
11/30/1993
RPI 1200
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