Notificação para pagamento de retribuição
#13.1
10/17/1989
RPI 991
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Official data from INPI
COMPOSIÇÃO APERFEIÇOADA DE BORRACHA CARBOXÍLICA RESISTENTE À PRÉ-VULCANIZAÇÃO
Em AnáliseInvention Patent
Application data
Number
PI8302320Type
Invention Patent
Filing
05/05/1983
Publication
01/10/1984
Progress at the INPI
- Filing05/05/83
- Publication01/10/84
- Examination11/12/85
- Allowance06/20/89
- Grant02/06/90
- Expired07/01/08
The letters patent expired on 07/01/2008: 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: 10/17/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
The Goodyear Tire & Rubber Company
US
Inventors
D. G. (pessoa física)
Technical data
IPC Classification
Priority claims
US
379.243 · 05/17/1982
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Deferimento
#9.1
06/20/1989
RPI 974
Exigência - art. 36 da LPI
#6.1
04/19/1988
RPI 913
Solicitação de exame técnico
#4.1
11/12/1985
RPI 786
Publicação do pedido de patente
#3.1
01/10/1984
RPI 690
Pedido de patente depositado
#2.1
06/21/1983
RPI 661
Carta-patente expirada
#21.1
Patente extinta em 05/05/98
07/01/2008
RPI 1956
Concessão da patente
#16.1
02/06/1990
RPI 1005
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