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Official data from INPI

CIRCUITO DE CONTROLE DE FORÇA E ARRANJO DE CIRCUITO DE TRILHO DE ESTRADA DE FERRO.

ArquivadaInvention Patent

Application data

Number

PI8503573

Type

Invention Patent

Filing

07/29/1985

Publication

04/29/1986

Progress at the INPI

  1. Filing07/29/85
  2. Publication04/29/86
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 07/29/1985 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Westinghouse Brake And Signal Company Limited

Inventors

D. C. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

8419373 · 07/30/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

06/14/1988

RPI 921

Publicação do pedido de patente

#3.1

04/29/1986

RPI 810

Pedido de patente depositado

#2.1

09/24/1985

RPI 779

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