Publicação do pedido de patente
#3.1
12/29/1987
RPI 897
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Official data from INPI
COMPOSIÇÃO ELASTOMÉRICA VULCANIZÁVEL RESISTENTE AO TINGIMENTO
PublicadaInvention Patent
Application data
Number
PI8700943Type
Invention Patent
Filing
02/26/1987
Publication
12/29/1987
Progress at the INPI
- Filing02/26/87
- Publication12/29/87
- Examination08/14/90
- Allowance07/07/92
- Grant04/27/93
- Expired07/29/08
The letters patent expired on 07/29/2008: 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: 12/29/1987. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
The Goodyear Tire & Rubber Company
US
Inventors
T. B. (pessoa física)
US
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Pedido de patente depositado
#2.1
06/23/1987
RPI 870
Carta-patente expirada
#21.1
Patente extinta em 26/02/2002
07/29/2008
RPI 1960
Concessão da patente
#16.1
04/27/1993
RPI 1169
Notificação para pagamento de retribuição
#13.1
11/24/1992
RPI 1147
Deferimento
#9.1
07/07/1992
RPI 1127
Exigência - art. 36 da LPI
#6.1
11/12/1991
RPI 1093
Solicitação de exame técnico
#4.1
08/14/1990
RPI 1028
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