Carta-patente expirada
#21.1
Patente extinta em 17/04/2010
01/08/2013
RPI 2192
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Official data from INPI
PROCESSO E MÁQUINA PARA PREPARAR PÓS DE CARGA DE PROPULSÃO TRIBÁSICOS
Arquivada/ExtintaInvention PatentPCT · EP1990000616
Application data
Number
PI9006751Type
Invention Patent
Filing
04/17/1990
Publication
08/06/1991
PCT
EP1990000616 Progress at the INPI
- Filing04/17/90
- Publication08/06/91
- Examination10/08/91
- Allowance02/04/97
- Grant01/21/98
- Expired01/08/13
The letters patent expired on 01/08/2013: 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: 01/08/2013. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
WNC-Nitrochemie GmbH
DE
Inventors
K. M. (pessoa física)
DE
W. M. (pessoa física)
DE
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
01/21/1998
RPI 1413
Notificação para pagamento de retribuição
#13.1
05/06/1997
RPI 1379
Deferimento
#9.1
02/04/1997
RPI 1366
Exigência - art. 36 da LPI
#6.1
10/03/1995
RPI 1296
Solicitação de exame técnico
#4.1
10/08/1991
RPI 1088
Notificação de entrada na fase nacional - PCT
#1.3
08/06/1991
RPI 1079
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