Solicitação de exame técnico
#4.1
03/14/1989
RPI 960
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Application data
Number
PI8602157Type
Invention Patent
Filing
05/13/1986
Publication
01/13/1987
Progress at the INPI
- Filing05/13/86
- Publication01/13/87
- Examination03/14/89
- Allowance06/25/91
- Grant12/31/91
- Expired07/22/08
The letters patent expired on 07/22/2008: 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: 03/14/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
B. A. (pessoa física)
DE
Inventors
J. G. (pessoa física)
Technical data
IPC Classification
Priority claims
DE
35172819 · 05/14/1985
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
14.4
09/13/1988
RPI 934
Publicação do pedido de patente
#3.1
01/13/1987
RPI 847
Pedido de patente depositado
#2.1
11/11/1986
RPI 838
Carta-patente expirada
#21.1
Patente extinta em 13/05/2001
07/22/2008
RPI 1959
Concessão da patente
#16.1
12/31/1991
RPI 1100
Republicação - classificação IPC
#15.11
11/12/1991
RPI 1093
Notificação para pagamento de retribuição
#13.1
10/22/1991
RPI 1090
Deferimento
#9.1
06/25/1991
RPI 1073
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