Concessão da patente
#16.1
09/30/1986
RPI 832
Progress at the INPI
- Filing11/20/79
- Publication
- Examination02/07/84
- Allowance03/11/86
- Grant09/30/86
- Expired05/09/95
The letters patent expired on 05/09/1995: 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: 09/30/1986. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
B. C. (pessoa física)
Inventors
B. R. (pessoa física)
Technical data
IPC Classification
Priority claims
US
79/01000 · 11/20/1979
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
07/01/1986
RPI 819
Deferimento
#9.1
03/11/1986
RPI 803
Conhecimento de parecer técnico
#7.1
04/16/1985
RPI 756
Pedido de certificado de adição de invenção
#5.1
07/03/1984
RPI 715
Solicitação de exame técnico
#4.1
02/07/1984
RPI 694
Solicitação de exame não realizada
#4.2
09/13/1983
RPI 673
Carta-patente expirada
#21.1
05/09/1995
RPI 1275
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