Concessão da patente
#16.1
01/31/1984
RPI 693
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Official data from INPI
PROCESSO PARA SIMULTANEAMENTE NEUTRALIZAR CARGAS ELETRICAS ESTATICAS POSITIVAS E NEGATIVAS SOBRE SUPERFICIES
ConcedidaInvention Patent
Progress at the INPI
- Filing09/25/78
- Publication
- Examination04/13/82
- Allowance08/02/83
- Grant01/31/84
- Terminated09/25/90
The patent was granted on 01/31/1984 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: 01/31/1984. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
LESTER LAB INC
Inventors
F. J. (pessoa física)
F. L. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
11/22/1983
RPI 683
Deferimento
#9.1
08/02/1983
RPI 667
Exigência - art. 36 da LPI
#6.1
10/26/1982
RPI 627
Solicitação de exame técnico
#4.1
04/13/1982
RPI 599
Anuidade - prazo legal encerrado
#18.2
09/25/1990
RPI 1034
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