Carta-patente expirada
#21.1
Patente extinta em 20/11/2004
12/29/2009
RPI 2034
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Official data from INPI
APERFEIÇOAMENTO EM SENSOR DE FUSÍVEL
Arquivada/ExtintaInvention Patent
Application data
Number
PI8905990Type
Invention Patent
Filing
11/20/1989
Publication
05/21/1991
Progress at the INPI
- Filing11/20/89
- Publication05/21/91
- Examination08/10/93
- Allowance05/23/95
- Grant12/26/95
- 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
Cerâmica e Velas de Ignição NGK do Brasil Ltda
SP, BR
Cerâmica e Velas de Ignição NGK do Brasil S/A
SP, BR
Inventors
Y. M. (pessoa física)
BR
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Concessão da patente
#16.1
12/26/1995
RPI 1308
Notificação para pagamento de retribuição
#13.1
10/03/1995
RPI 1296
Deferimento
#9.1
05/23/1995
RPI 1277
Exigência - art. 36 da LPI
#6.1
11/22/1994
RPI 1251
Solicitação de exame técnico
#4.1
08/10/1993
RPI 1184
14.4
04/20/1993
RPI 1168
Publicação do pedido de patente
#3.1
05/21/1991
RPI 1068
Pedido de patente depositado
#2.1
03/20/1990
RPI 1010
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