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Official data from INPI

SISTEMA DE TRAVAMENTO DE SINAL DE CONTROLE.

ArquivadaInvention Patent

Application data

Number

PI8205934

Type

Invention Patent

Filing

10/08/1982

Publication

09/13/1983

Progress at the INPI

  1. Filing10/08/82
  2. Publication09/13/83
  3. Abandoned11/26/85
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Westinghouse Brake & Signal Company Limited

GB

Inventors

B. R. (pessoa física)

C. D. (pessoa física)

J. (pessoa física)

W. G. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

8130644 · 10/10/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

11/16/1988

RPI 943

Exigência - art. 36 da LPI

#6.1

04/19/1988

RPI 913

Solicitação de exame técnico

#4.1

11/26/1985

RPI 788

Publicação do pedido de patente

#3.1

09/13/1983

RPI 673

Pedido de patente depositado

#2.1

12/07/1982

RPI 633

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: G06F 15/48; B61L 27/04; G06F 15/16.

03/27/2018

RPI 2464

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