Concessão da patente
#16.1
08/28/1984
RPI 723
Progress at the INPI
- Filing06/26/80
- Publication
- Examination02/22/83
- Allowance02/21/84
- Grant08/28/84
- Expired09/12/95
The letters patent expired on 09/12/1995: 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: 08/28/1984. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
I. C. (pessoa física)
US
Inventors
M. E. (pessoa física)
R. L. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
06/12/1984
RPI 712
Deferimento
#9.1
02/21/1984
RPI 696
Republicação - classificação IPC
#15.11
09/13/1983
RPI 673
Exigência - art. 36 da LPI
#6.1
08/23/1983
RPI 670
Solicitação de exame técnico
#4.1
02/22/1983
RPI 644
Carta-patente expirada
#21.1
09/12/1995
RPI 1293
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