Carta-patente expirada
#21.1
Patente extinta em 27/06/2011
06/04/2013
RPI 2213
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Official data from INPI
PROCESSO PARA PREPARAR BORRACHA HIDROXILADA
Arquivada/ExtintaInvention Patent
Application data
Number
PI9102717Type
Invention Patent
Filing
06/27/1991
Publication
02/04/1992
Progress at the INPI
- Filing06/27/91
- Publication02/04/92
- Examination04/19/94
- Allowance05/04/99
- Grant11/16/99
- 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
R. H. (pessoa física)
US
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
11/16/1999
RPI 1506
Deferimento
#9.1
05/04/1999
RPI 1478
Exigência - art. 36 da LPI
#6.1
08/11/1998
RPI 1442
Solicitação de exame técnico
#4.1
04/19/1994
RPI 1220
Publicação do pedido de patente
#3.1
02/04/1992
RPI 1105
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