Solicitação de exame técnico
#4.1
12/23/1986
RPI 844
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Official data from INPI
APERFEIÇOAMENTOS EM RELE DE COMANDO
Em AnáliseInvention Patent
Application data
Number
PI8501021Type
Invention Patent
Filing
03/07/1985
Publication
10/14/1986
Progress at the INPI
- Filing03/07/85
- Publication10/14/86
- Examination12/23/86
- Allowance05/19/92
- Grant03/30/93
- Expired07/15/08
The letters patent expired on 07/15/2008: 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: 12/23/1986. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
C. S. (pessoa física)
BR
Industria Eletro Mecanica Linsa Ltda
SP, BR
Inventors
C. S. (pessoa física)
BR
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Publicação do pedido de patente
#3.1
10/14/1986
RPI 834
Pedido de patente depositado
#2.1
05/28/1985
RPI 762
Carta-patente expirada
#21.1
Patente extinta em 07/03/2000
07/15/2008
RPI 1958
Concessão da patente
#16.1
03/30/1993
RPI 1165
Notificação para pagamento de retribuição
#13.1
10/20/1992
RPI 1142
Deferimento
#9.1
05/19/1992
RPI 1120
Exigência - art. 36 da LPI
#6.1
10/29/1991
RPI 1091
14.1
06/18/1991
RPI 1072
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