Pedido de patente depositado
#2.1
08/08/1989
RPI 981
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Official data from INPI
CIRCUITO DE INGNIÇÃO ELETRÔNICA PARA LÂMPADAS FLUORESCENTES
Prazo de SigiloInvention Patent
Application data
Number
PI8907915Type
Invention Patent
Filing
06/14/1989
Publication
04/30/1991
Progress at the INPI
- Filing06/14/89
- Publication04/30/91
- Examination08/13/91
- Allowance04/18/95
- Grant04/30/96
- 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: 08/08/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Keiko do Brasil Indústria e Comércio Ltda
SP, BR
Inventors
N. M. (pessoa física)
BR
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Carta-patente expirada
#21.1
Patente extinta em 14/06/2004
12/29/2009
RPI 2034
Concessão da patente
#16.1
04/30/1996
RPI 1326
Notificação para pagamento de retribuição
#13.1
11/21/1995
RPI 1303
Deferimento
#9.1
04/18/1995
RPI 1272
15.10
12/06/1994
RPI 1253
Conhecimento de parecer técnico
#7.1
07/19/1994
RPI 1233
Solicitação de exame técnico
#4.1
08/13/1991
RPI 1080
Publicação do pedido de patente
#3.1
04/30/1991
RPI 1065
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