Carta-patente expirada
#21.1
Patente extinta em 04/01/2010
01/02/2013
RPI 2191
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Official data from INPI
PROCESSO PARA SÍNTESE DE N-CLOROTIO-SULFONAMIDAS
Arquivada/ExtintaInvention Patent
Application data
Number
PI9000033Type
Invention Patent
Filing
01/04/1990
Publication
10/09/1990
Progress at the INPI
- Filing01/04/90
- Publication10/09/90
- Examination03/16/93
- Allowance11/11/97
- Grant08/25/98
- Expired01/02/13
The letters patent expired on 01/02/2013: 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: 01/02/2013. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
The Goodyear Tire & Rubber Company
US
Inventors
S. R. (pessoa física)
US
T. S. (pessoa física)
US
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
08/25/1998
RPI 1444
Deferimento
#9.1
11/11/1997
RPI 1406
Exigência - art. 36 da LPI
#6.1
11/19/1996
RPI 1355
Solicitação de exame técnico
#4.1
03/16/1993
RPI 1163
Publicação do pedido de patente
#3.1
10/09/1990
RPI 1036
Pedido de patente depositado
#2.1
05/01/1990
RPI 1016
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