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Official data from INPI

RETENTOR DE ESCÓRIA PARA CARRO TORPEDO E DISPOSITIVO DE IÇAMENTO.

Em AnáliseInvention Patent

Application data

Number

PI8502413

Type

Invention Patent

Filing

05/22/1985

Publication

12/30/1986

Progress at the INPI

  1. Filing05/22/85
  2. Publication12/30/86
  3. Abandoned08/04/87
  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.

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Latest action published by the INPI: 08/04/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Companhia Siderúrgica Nacional - Grupo Siderbrás

RJ, BR

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Inventors

A. E. (pessoa física)

BR

R. L. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/04/1987

RPI 876

Publicação do pedido de patente

#3.1

12/30/1986

RPI 845

Pedido de patente depositado

#2.1

07/23/1985

RPI 770

Arquivamento - Art. 36 §1° da LPI

#11.2

06/18/1991

RPI 1072

Exigência - art. 36 da LPI

#6.1

11/27/1990

RPI 1043

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