Publicação do pedido de patente
#3.1
08/29/1989
RPI 984
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Official data from INPI
PROCESSO PARA PREPARAR UMA LIGA DE POLÍMEROS
PublicadaInvention Patent
Application data
Number
PI8806907Type
Invention Patent
Filing
12/27/1988
Publication
08/29/1989
Progress at the INPI
- Filing12/27/88
- Publication08/29/89
- Examination07/09/91
- Allowance03/12/96
- Grant03/25/97
- 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: 08/29/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
The Goodyear Tire & Rubber Company
US
Inventors
H. C. (pessoa física)
US
J. J. (pessoa física)
US
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Pedido de patente depositado
#2.1
04/25/1989
RPI 966
Carta-patente expirada
#21.1
Patente extinta em 27/12/2003
09/02/2008
RPI 1965
Concessão da patente
#16.1
03/25/1997
RPI 1373
Notificação para pagamento de retribuição
#13.1
10/01/1996
RPI 1348
Deferimento
#9.1
03/12/1996
RPI 1319
Exigência - art. 36 da LPI
#6.1
06/20/1995
RPI 1281
Solicitação de exame técnico
#4.1
07/09/1991
RPI 1075
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