20.7
06/21/1988
RPI 922
Progress at the INPI
- Filing07/20/81
- Publication03/01/83
- Examination06/07/83
- Allowance02/17/87
- Grant09/29/87
- 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: 06/21/1988. 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).
20.7
06/14/1988
RPI 921
20.7
06/07/1988
RPI 920
20.9
04/05/1988
RPI 911
Concessão da patente
#16.1
09/29/1987
RPI 884
Notificação para pagamento de retribuição
#13.1
06/23/1987
RPI 870
Deferimento
#9.1
02/17/1987
RPI 852
15.10
10/07/1986
RPI 833
Exigência - art. 36 da LPI
#6.1
02/12/1986
RPI 799
Conhecimento de parecer técnico
#7.1
05/14/1985
RPI 760
Conhecimento de parecer técnico
#7.1
09/04/1984
RPI 724
Solicitação de exame técnico
#4.1
06/07/1983
RPI 659
Publicação do pedido de patente
#3.1
03/01/1983
RPI 645
Carta-patente expirada
#21.1
12/07/1993
RPI 1201
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