Concessão da patente
#16.1
07/26/1988
RPI 927
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Application data
Number
PI8004202Type
Invention Patent
Filing
07/07/1980
Publication
03/09/1982
Progress at the INPI
- Filing07/07/80
- Publication03/09/82
- Examination07/27/82
- Allowance02/09/88
- Grant07/26/88
- Expired09/19/95
The letters patent expired on 09/19/1995: 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: 07/26/1988. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
I. C. (pessoa física)
US
Inventors
B. E. (pessoa física)
D. L. (pessoa física)
K. G. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
06/07/1988
RPI 920
Deferimento
#9.1
02/09/1988
RPI 903
Exigência - art. 36 da LPI
#6.1
05/10/1983
RPI 655
Solicitação de exame técnico
#4.1
07/27/1982
RPI 614
Publicação do pedido de patente
#3.1
03/09/1982
RPI 594
Carta-patente expirada
#21.1
09/19/1995
RPI 1294
Cessão de direito de exploração
#22.1
04/07/1992
RPI 1114
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