Carta-patente expirada
#21.1
Patente extinta em 14/09/2010
01/29/2013
RPI 2195
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Official data from INPI
PROCESSO PARA TRATAMENTO DE UM ARAME DE AÇO REVESTIDO COM LATÃO E ARAME DE AÇO REVESTIDO COM LATÃO
Arquivada/ExtintaInvention Patent
Application data
Number
PI9004609Type
Invention Patent
Filing
09/14/1990
Publication
09/10/1991
Progress at the INPI
- Filing09/14/90
- Publication09/10/91
- Examination10/05/93
- Allowance07/21/98
- Grant12/29/98
- Expired01/29/13
The letters patent expired on 01/29/2013: 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: 01/29/2013. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
The Goodyear Tire & Rubber Company
US
Inventors
T. S. (pessoa física)
US
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
12/29/1998
RPI 1460
Deferimento
#9.1
07/21/1998
RPI 1439
Solicitação de exame técnico
#4.1
10/05/1993
RPI 1192
Publicação do pedido de patente
#3.1
09/10/1991
RPI 1084
Pedido de patente depositado
#2.1
03/19/1991
RPI 1059
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