Concessão da patente
#16.1
03/29/1988
RPI 910
Progress at the INPI
- Filing05/29/81
- Publication02/24/82
- Examination09/14/82
- Allowance07/21/87
- Grant03/29/88
- Expired12/07/93
The letters patent expired on 12/07/1993: 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: 03/29/1988. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
S. D. (pessoa física)
Inventors
E. B. (pessoa física)
Technical data
IPC Classification
No IPC classification.
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
11/24/1987
RPI 892
Deferimento
#9.1
07/21/1987
RPI 874
15.10
03/17/1987
RPI 856
Exigência - art. 36 da LPI
#6.1
05/13/1986
RPI 812
Conhecimento de parecer técnico
#7.1
04/16/1985
RPI 756
Conhecimento de parecer técnico
#7.1
03/27/1984
RPI 701
Solicitação de exame técnico
#4.1
09/14/1982
RPI 621
Publicação do pedido de patente
#3.1
02/24/1982
RPI 592
Carta-patente expirada
#21.1
12/07/1993
RPI 1201
14.7
06/11/1991
RPI 1071
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