Solicitação de exame técnico
#4.1
02/03/1987
RPI 850
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Official data from INPI
PROCESSO PARA A OBTENÇÃO DE COPOLIÉSTERES AROMÁTICOS TERMOTRÓPICOS CONFORMÁVEIS
Em AnáliseInvention Patent
Application data
Number
PI8600090Type
Invention Patent
Filing
01/10/1986
Publication
09/23/1986
Progress at the INPI
- Filing01/10/86
- Publication09/23/86
- Examination02/03/87
- Allowance09/29/92
- Grant04/27/93
- 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: 02/03/1987. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
R. R. (pessoa física)
FR
Inventors
J. Q. (pessoa física)
FR
Technical data
IPC Classification
Priority claims
FR
85/00552 · 01/11/1985
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Publicação do pedido de patente
#3.1
09/23/1986
RPI 831
Pedido de patente depositado
#2.1
04/15/1986
RPI 808
Carta-patente expirada
#21.1
Patente extinta em 10/01/2001
07/22/2008
RPI 1959
Concessão da patente
#16.1
04/27/1993
RPI 1169
Notificação para pagamento de retribuição
#13.1
03/02/1993
RPI 1161
Deferimento
#9.1
09/29/1992
RPI 1139
Exigência - art. 36 da LPI
#6.1
07/30/1991
RPI 1078
6.2
01/02/1990
RPI 1000
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