Carta-patente expirada
#21.1
Patente extinta em 11/07/2010
01/22/2013
RPI 2194
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Official data from INPI
PROCESSO DE PRODUÇÃO DE UMA ESPUMA METÁLICA REFORÇADA COM PARTÍCULA
Arquivada/ExtintaInvention PatentPCT · NO1990000115
Application data
Number
PI9007549Type
Invention Patent
Filing
07/11/1990
Publication
06/30/1992
PCT
NO1990000115 Progress at the INPI
- Filing07/11/90
- Publication06/30/92
- Examination06/01/93
- Allowance07/27/99
- Grant12/28/99
- Expired01/22/13
The letters patent expired on 01/22/2013: 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: 01/22/2013. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Cymat Corp.
CA
N. A. (pessoa física)
NO
Inventors
B. K. (pessoa física)
NO
W. R. (pessoa física)
DK
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Transferência deferida
#25.1
Transferido de: Norsk Hydro A.S.
05/14/2002
RPI 1636
Concessão da patente
#16.1
12/28/1999
RPI 1512
Deferimento
#9.1
07/27/1999
RPI 1490
Exigência - art. 36 da LPI
#6.1
03/02/1999
RPI 1469
Solicitação de exame técnico
#4.1
06/01/1993
RPI 1174
Notificação de entrada na fase nacional - PCT
#1.3
06/30/1992
RPI 1126
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