Publicação do pedido de patente
#3.1
10/18/1988
RPI 939
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Official data from INPI
PROCESSO PARA PREPARAR UMA MISTURA DE BORRACHA DE POLIDIENO
PublicadaInvention Patent
Application data
Number
PI8801053Type
Invention Patent
Filing
03/10/1988
Publication
10/18/1988
Progress at the INPI
- Filing03/10/88
- Publication10/18/88
- Examination12/11/90
- Allowance08/08/95
- Grant03/26/96
- Expired09/02/08
The letters patent expired on 09/02/2008: 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: 10/18/1988. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
The Goodyear Tire & Rubber Company
US
Inventors
A. H. (pessoa física)
US
D. Z. (pessoa física)
US
R. A. (pessoa física)
US
S. R. (pessoa física)
US
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Pedido de patente depositado
#2.1
06/28/1988
RPI 923
Carta-patente expirada
#21.1
Patente extinta em 10/03/2003
09/02/2008
RPI 1965
Concessão da patente
#16.1
03/26/1996
RPI 1321
Deferimento
#9.1
08/08/1995
RPI 1288
Exigência - art. 36 da LPI
#6.1
02/22/1994
RPI 1212
Solicitação de exame técnico
#4.1
12/11/1990
RPI 1045
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