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Official data from INPI

EQUIPAMENTOS DE LICENCIAMENTO AUTOMATICO ENTRE ESTACOES

PublicadaInvention Patent

Application data

Number

PI8304894

Type

Invention Patent

Filing

09/08/1983

Publication

04/16/1985

Progress at the INPI

  1. Filing09/08/83
  2. Publication04/16/85
  3. Examination
  4. Allowance
  5. Grant
  6. In force

The application was published in the RPI gazette on 04/16/1985 and is now open to any interested party. It moves on to technical examination at the INPI.

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Latest action published by the INPI: 07/21/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

REDE FERROVIARIA FEDERAL S A [BR]

Inventors

A. D. (pessoa física)

M. R. (pessoa física)

S. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

07/21/1987

RPI 874

Publicação do pedido de patente

#3.1

04/16/1985

RPI 756

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