Concessão da patente
#16.1
08/29/1989
RPI 984
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Official data from INPI
PROCESSO PARA PREPARAÇÃO DE 1, 4 - POLIBUTADIENO COM ALTO TEOR DE CIS
ConcedidaInvention Patent
Application data
Number
PI8301902Type
Invention Patent
Filing
04/14/1983
Publication
12/20/1983
Progress at the INPI
- Filing04/14/83
- Publication12/20/83
- Examination12/03/85
- Allowance01/31/89
- Grant08/29/89
- 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: 08/29/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
The Goodyear Tire & Rubber Company
US
Inventors
A. P. (pessoa física)
US
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
06/06/1989
RPI 972
Deferimento
#9.1
01/31/1989
RPI 954
Exigência - art. 36 da LPI
#6.1
06/28/1988
RPI 923
Solicitação de exame técnico
#4.1
12/03/1985
RPI 789
Publicação do pedido de patente
#3.1
12/20/1983
RPI 687
Pedido de patente depositado
#2.1
05/31/1983
RPI 658
Carta-patente expirada
#21.1
Patente extinta em 14/04/98
07/01/2008
RPI 1956
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