Carta-patente expirada
#21.1
Patente extinta em 16/10/2004
12/29/2009
RPI 2034
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Official data from INPI
ELEMENTO DE INICIAÇÃO DO TIPO DE EXPLOSIVO NÃO PRIMÁRIO
Arquivada/ExtintaInvention Patent
Application data
Number
PI8905249Type
Invention Patent
Filing
10/16/1989
Publication
05/22/1990
Progress at the INPI
- Filing10/16/89
- Publication05/22/90
- Examination05/12/92
- Allowance03/19/96
- Grant12/31/96
- Expired12/29/09
The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
China Metallurgical Import and Export Corp.
CN
Nitro Nobel AB
SE
Safety & Enviromental Protection Research Institute
CN
Inventors
L. L. (pessoa física)
SE
T. O. (pessoa física)
SE
V. L. (pessoa física)
SE
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
12/31/1996
RPI 1361
Deferimento
#9.1
03/19/1996
RPI 1320
Exigência - art. 36 da LPI
#6.1
09/19/1995
RPI 1294
14.1
04/20/1993
RPI 1168
Solicitação de exame técnico
#4.1
05/12/1992
RPI 1119
Publicação do pedido de patente
#3.1
05/22/1990
RPI 1019
Pedido de patente depositado
#2.1
03/01/1990
RPI 1007
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