Pedido de patente depositado
#2.1
11/07/1989
RPI 994
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Official data from INPI
PROCESSO PARA A VULCANIZAÇÃO DE BORRACHA DE CLORO-BUTILA COM CARGA DE MINERAL E COMPOSIÇÃO VULCANIZÁVEL
Prazo de SigiloInvention Patent
Application data
Number
PI8903981Type
Invention Patent
Filing
08/08/1989
Publication
03/20/1990
Progress at the INPI
- Filing08/08/89
- Publication03/20/90
- Examination02/25/92
- Allowance07/21/98
- Grant12/29/98
- Expired12/26/12
The letters patent expired on 12/26/2012: 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: 11/07/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
The Goodyear Tire & Rubber Company
US
Inventors
R. S. (pessoa física)
US
T. A. (pessoa física)
US
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Carta-patente expirada
#21.1
Patente extinta em 08/08/2009
12/26/2012
RPI 2190
Concessão da patente
#16.1
12/29/1998
RPI 1460
Deferimento
#9.1
DEFERIDO DE ACORDO COM O ARTIGO 229 DA LEI DE 14/05/96
07/21/1998
RPI 1439
Exigência - art. 36 da LPI
#6.1
01/23/1996
RPI 1312
Exigência - art. 36 da LPI
#6.1
02/07/1995
RPI 1262
Solicitação de exame técnico
#4.1
02/25/1992
RPI 1108
Publicação do pedido de patente
#3.1
03/20/1990
RPI 1010
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