Carta-patente expirada
#21.1
Patente extinta em 21/11/2010
05/21/2013
RPI 2211
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Official data from INPI
PROCESSO PARA PRODUZIR ESPUMA DE POLIESTIRENO
Arquivada/ExtintaInvention Patent
Application data
Number
PI9005992Type
Invention Patent
Filing
11/21/1990
Publication
09/24/1991
Progress at the INPI
- Filing11/21/90
- Publication09/24/91
- Examination08/24/93
- Allowance08/18/98
- Grant12/29/98
- 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
K. K. (pessoa física)
JP
Inventors
S. M. (pessoa física)
JP
T. S. (pessoa física)
JP
T. H. (pessoa física)
JP
Technical data
IPC Classification
Priority claims
JP
193481 · 07/20/1990
JP
24331 · 02/01/1990
JP
94859 · 04/09/1990
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
12/29/1998
RPI 1460
Deferimento
#9.1
DEFERIDO DE ACORDO COM O ARTIGO 229 DA LEI 9279 DE 14/05/96
08/18/1998
RPI 1443
Exigência - art. 36 da LPI
#6.1
02/07/1995
RPI 1262
Solicitação de exame técnico
#4.1
08/24/1993
RPI 1186
Publicação do pedido de patente
#3.1
09/24/1991
RPI 1086
Pedido de patente depositado
#2.1
05/14/1991
RPI 1067
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