Carta-patente expirada
#21.1
Patente extinta em 09/11/2010
05/21/2013
RPI 2211
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Official data from INPI
PROCESSO E DISPOSITIVO PARA PRODUÇÃO CONTÍNUA DE PEÇAS ALONGADAS DE CARBONO
Arquivada/ExtintaInvention Patent
Application data
Number
PI9005684Type
Invention Patent
Filing
11/09/1990
Publication
09/17/1991
Progress at the INPI
- Filing11/09/90
- Publication09/17/91
- Examination12/10/91
- Allowance12/15/98
- Grant07/27/99
- Expired05/21/13
The letters patent expired on 05/21/2013: 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: 05/21/2013. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Elkem Technology a/s
NO
Inventors
E. S. (pessoa física)
NO
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
07/27/1999
RPI 1490
Deferimento
#9.1
12/15/1998
RPI 1458
Exigência - art. 36 da LPI
#6.1
06/23/1998
RPI 1435
Solicitação de exame técnico
#4.1
12/10/1991
RPI 1097
Publicação do pedido de patente
#3.1
09/17/1991
RPI 1085
Pedido de patente depositado
#2.1
04/30/1991
RPI 1065
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