Concessão da patente
#16.1
05/31/1988
RPI 919
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Official data from INPI
METODO E APARELHO PARA SUPRIR CORRENTE ALTERNADA DE ALTA FREQUENCIA A LAMPADAS FLUORESCENTES
ConcedidaInvention Patent
Application data
Number
PI8302091Type
Invention Patent
Filing
04/21/1982
Publication
12/27/1983
Progress at the INPI
- Filing04/21/82
- Publication12/27/83
- Examination02/25/86
- Allowance08/25/87
- Grant05/31/88
- Terminated02/18/92
The patent was granted on 05/31/1988 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 05/31/1988. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
HELVAR OY [FI]
Inventors
S. M. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
12/15/1987
RPI 895
Deferimento
#9.1
08/25/1987
RPI 879
Exigência - art. 36 da LPI
#6.1
01/13/1987
RPI 847
Solicitação de exame técnico
#4.1
02/25/1986
RPI 801
Publicação do pedido de patente
#3.1
12/27/1983
RPI 688
Pedido de patente depositado
#2.1
06/07/1983
RPI 659
Anuidade - prazo legal encerrado
#18.2
02/18/1992
RPI 1107
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