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Official data from INPI

TRUQUE FERROVIARIO,DISPOSITIVO DE MANCAL LATERAL E PROCESSO DE ASSEGURAR AMORTECIMENTO PARA MOVIMENTO LATERAL,GUINADAS E BALANCO ENTRE A CAIXA DE UM VAGAO FERROVIARIO E A TRAVESSA DO TRUQUE

Em AnáliseInvention Patent

Application data

Number

PI8306908

Type

Invention Patent

Filing

12/15/1983

Publication

07/23/1985

Progress at the INPI

  1. Filing12/15/83
  2. Publication07/23/85
  3. Examination12/03/85
  4. Allowance
  5. Grant
  6. In force

Published on 07/23/1985, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 09/08/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

AMSTED IND INC [US]

Inventors

K. T. (pessoa física)

M. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

09/08/1987

RPI 881

Solicitação de exame técnico

#4.1

12/03/1985

RPI 789

Publicação do pedido de patente

#3.1

07/23/1985

RPI 770

Pedido de patente depositado

#2.1

02/28/1984

RPI 697

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