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Official data from INPI

OSCILADOR DE BAIXA FREQUENCIA EM DIAPASAO DE SEGURANCA INTRINSECA ALIMENTADO POR FONTE DE TENSAO CONTINUA E EMISSOR DE SEGURANCA INTRINSECA PARA TRANSMISSAO DE DOIS SINAIS DE BAIXA FREQUENCIA PELA DITA FONTE DE TENSAO CONTINUA

ConcedidaInvention Patent
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Application data

Number

PI8005606

Type

Invention Patent

Filing

09/07/1979

Publication

-
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Progress at the INPI

  1. Filing09/07/79
  2. Publication
  3. Examination06/14/83
  4. Allowance02/28/84
  5. Grant08/28/84
  6. Terminated02/04/92

The patent was granted on 08/28/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 08/28/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

JEUMONT SCHNEIDER [FR]

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Inventors

M. P. (pessoa física)

S. J. (pessoa física)

Technical data

IPC Classification

H03B 11/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

06/12/1984

RPI 712

Deferimento

#9.1

02/28/1984

RPI 697

Republicação - classificação IPC

#15.11

02/21/1984

RPI 696

Exigência - art. 36 da LPI

#6.1

11/22/1983

RPI 683

Solicitação de exame técnico

#4.1

06/14/1983

RPI 660

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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