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Official data from INPI

DISPOSITIVO DE ALIMENTACAO E DE CONTROLE DO BOM FUNCIONAMENTO DE UMA LUZ DE SINALIZACAO FERROVIARIA

Em AnáliseInvention Patent

Application data

Number

PI8008744

Type

Invention Patent

Filing

07/16/1979

Publication

-

Progress at the INPI

  1. Filing07/16/79
  2. Publication
  3. Examination07/19/83
  4. Allowance07/31/84
  5. Grant02/26/85
  6. Terminated09/26/89

The patent was granted on 02/26/1985 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J. S. (pessoa física)

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Inventors

P. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

09/26/1989

RPI 988

Concessão da patente

#16.1

02/26/1985

RPI 749

Notificação para pagamento de retribuição

#13.1

11/13/1984

RPI 734

Deferimento

#9.1

07/31/1984

RPI 719

Exigência - art. 36 da LPI

#6.1

01/24/1984

RPI 692

Solicitação de exame técnico

#4.1

07/19/1983

RPI 665

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