Carta-patente expirada
#21.1
Patente extinta em 03/06/2011
06/04/2013
RPI 2213
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Official data from INPI
PROCESSO PARA PREPARAÇÃO DE POLÍMEROS REFORÇADOS E PNEUMÁTICO DE COMPÓSITE DE BORRACHA
Arquivada/ExtintaInvention Patent
Application data
Number
PI9102274Type
Invention Patent
Filing
06/03/1991
Publication
01/14/1992
Progress at the INPI
- Filing06/03/91
- Publication01/14/92
- Examination03/15/94
- Allowance07/27/99
- Grant02/22/00
- Expired06/04/13
The letters patent expired on 06/04/2013: 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: 06/04/2013. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
The Goodyear Tire & Rubber Company
US
Inventors
D. B. (pessoa física)
US
J. J. (pessoa física)
US
M. B. (pessoa física)
US
R. B. (pessoa física)
US
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
02/22/2000
RPI 1520
Deferimento
#9.1
07/27/1999
RPI 1490
Exigência - art. 36 da LPI
#6.1
11/10/1998
RPI 1453
Solicitação de exame técnico
#4.1
03/15/1994
RPI 1215
Publicação do pedido de patente
#3.1
01/14/1992
RPI 1102
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