Concessão da patente
#16.1
03/29/1983
RPI 649
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Official data from INPI
PROCESSO E INSTALACAO PARA ARRANQUE AUTOMATICO DE UMA TOCHA DE DETENCAO DE PLASMA
ConcedidaInvention Patent
Progress at the INPI
- Filing02/01/79
- Publication
- Examination
- Allowance09/21/82
- Grant03/29/83
- Expired05/16/95
The letters patent expired on 05/16/1995: 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: 03/29/1983. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
B. O. (pessoa física)
Inventors
B. J. (pessoa física)
E. R. (pessoa física)
K. M. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
01/25/1983
RPI 640
Deferimento
#9.1
09/21/1982
RPI 622
Carta-patente expirada
#21.1
05/16/1995
RPI 1276
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