Publicação do pedido de patente
#3.1
11/17/1987
RPI 891
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Official data from INPI
PROCESSO DE PREPARAÇÃO DE UM POLÍMERO TERMINADO EM METAL CONTENDO SILOXANA.
PublicadaInvention Patent
Application data
Number
PI8604054Type
Invention Patent
Filing
08/25/1986
Publication
11/17/1987
Progress at the INPI
- Filing08/25/86
- Publication11/17/87
- Examination03/27/90
- Allowance06/20/95
- Grant03/26/96
- 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: 11/17/1987. 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
G. J. (pessoa física)
US
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Pedido de patente depositado
#2.1
02/10/1987
RPI 851
Carta-patente expirada
#21.1
Patente extinta em 25/08/2001
07/22/2008
RPI 1959
Concessão da patente
#16.1
03/26/1996
RPI 1321
9.1.3
08/29/1995
RPI 1291
Deferimento
#9.1
06/20/1995
RPI 1281
15.5
12/10/1991
RPI 1097
Exigência - art. 36 da LPI
#6.1
10/22/1991
RPI 1090
Solicitação de exame técnico
#4.1
03/27/1990
RPI 1011
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