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Official data from INPI

COLA A QUENTE PARA SHELL-MOUDING.

Em AnáliseInvention Patent

Application data

Number

PI8107408

Type

Invention Patent

Filing

11/16/1981

Publication

06/21/1983

Progress at the INPI

  1. Filing11/16/81
  2. Publication06/21/83
  3. Examination11/22/83
  4. Refused03/06/90
  5. Grant
  6. In force

The application was refused on 03/06/1990 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Companhia Siderúrgica Nacional - CSN

RJ, BR

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Inventors

V. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Petição de recurso

#12.2

10/17/1989

RPI 991

Indeferimento

#9.2

07/11/1989

RPI 977

Solicitação de exame técnico

#4.1

11/22/1983

RPI 683

Publicação do pedido de patente

#3.1

06/21/1983

RPI 661

Pedido de patente depositado

#2.1

12/29/1981

RPI 584

111

03/06/1990

RPI 1008

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