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Official data from INPI

DISPOSITIVO DE TRASMISSAO DE INFORMACOES PELOS TRILHOS ENTRE UMA VIA DE CIRCULACAO FERROVIARIA E UM CONJUNTO DE VEICULOS QUE CIRCULAM SOBRE ESSA VIA

ConcedidaInvention Patent

Application data

Number

PI8107941

Type

Invention Patent

Filing

03/25/1980

Publication

03/09/1982

Progress at the INPI

  1. Filing03/25/80
  2. Publication03/09/82
  3. Examination09/13/83
  4. Allowance01/15/85
  5. Grant07/30/85
  6. Terminated08/07/90

The patent was granted on 07/30/1985 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: 07/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J. S. (pessoa física)

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Inventors

L. D. (pessoa física)

T. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/30/1985

RPI 771

Notificação para pagamento de retribuição

#13.1

05/07/1985

RPI 759

Deferimento

#9.1

01/15/1985

RPI 743

Exigência - art. 36 da LPI

#6.1

07/10/1984

RPI 716

Solicitação de exame técnico

#4.1

09/13/1983

RPI 673

Notificação de entrada na fase nacional - PCT

#1.3

03/09/1982

RPI 594

Anuidade - prazo legal encerrado

#18.2

08/07/1990

RPI 1027

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