Carta-patente expirada
#21.1
Patente extinte em 09/09/2011
06/11/2013
RPI 2214
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Official data from INPI
PROCESSO PARA A PRODUZIR UM LÁTEX NEUTRALIZADO
Arquivada/ExtintaInvention Patent
Application data
Number
PI9103885Type
Invention Patent
Filing
09/09/1991
Publication
05/26/1992
Progress at the INPI
- Filing09/09/91
- Publication05/26/92
- Examination07/05/94
- Allowance06/16/98
- Grant11/24/98
- Expired06/11/13
The letters patent expired on 06/11/2013: 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: 06/11/2013. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
The Goodyear Tire & Rubber Company
US
Inventors
R. G. (pessoa física)
US
S. C. (pessoa física)
US
S. P. (pessoa física)
US
Technical data
IPC Classification
Priority claims
US
584.985 · 09/20/1990
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Republicação - classificação IPC
#15.11
ALTERADA DE C08F 212/08
12/08/1998
RPI 1457
Concessão da patente
#16.1
11/24/1998
RPI 1455
Deferimento
#9.1
06/16/1998
RPI 1434
Solicitação de exame técnico
#4.1
07/05/1994
RPI 1231
Publicação do pedido de patente
#3.1
05/26/1992
RPI 1121
Pedido de patente depositado
#2.1
10/15/1991
RPI 1089
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