Carta-patente expirada
#21.1
Patente extinte em 02/09/2011
06/04/2013
RPI 2213
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Official data from INPI
COMPOSIÇÃO DE BORRACHA VULCANIZÁVEL COM ENXOFRE
Arquivada/ExtintaInvention Patent
Application data
Number
PI9103782Type
Invention Patent
Filing
09/02/1991
Publication
05/19/1992
Progress at the INPI
- Filing09/02/91
- Publication05/19/92
- Examination06/07/94
- Allowance05/18/99
- 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
L. W. (pessoa física)
US
P. S. (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
05/18/1999
RPI 1480
Exigência - art. 36 da LPI
#6.1
04/14/1998
RPI 1425
Solicitação de exame técnico
#4.1
06/07/1994
RPI 1227
Publicação do pedido de patente
#3.1
05/19/1992
RPI 1120
Pedido de patente depositado
#2.1
10/08/1991
RPI 1088
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