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Official data from INPI

VEICULO FERROVIARIO TENDO DISPOSITIVO DE REDUCAO DE PRESSAO LATERAL

ConcedidaInvention Patent

Application data

Number

PI7707025

Type

Invention Patent

Filing

10/20/1977

Publication

-

Progress at the INPI

  1. Filing10/20/77
  2. Publication
  3. Examination
  4. Allowance
  5. Grant02/24/82
  6. Terminated08/28/90

The patent was granted on 02/24/1982 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 02/24/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TOKYU CAR CORP

Inventors

Y. T. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/24/1982

RPI 592

Anuidade - prazo legal encerrado

#18.2

08/28/1990

RPI 1030

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