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Official data from INPI

AÇO ESTRUTURAL DE ELEVADA RESISTÊNCIA DOTADO DE SOLDABILIDADE FAVORÁVEL.

Em ExigênciaInvention Patent

Application data

Number

PI8406524

Type

Invention Patent

Filing

12/18/1984

Publication

10/15/1985

Progress at the INPI

Under appeal
  1. Filing12/18/84
  2. Publication10/15/85
  3. Examination04/22/86
  4. Refused06/21/94
  5. Grant
  6. In force

The application was refused by the INPI on 06/21/1994. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 07/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Compania Siderurgica Huachipato S.A.

CL

T. A. (pessoa física)

LI

Inventors

M. I. (pessoa física)

Technical data

IPC Classification

Priority claims

AU

22585/83 · 12/20/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

6.2

07/26/1988

RPI 927

Solicitação de exame técnico

#4.1

04/22/1986

RPI 809

Publicação do pedido de patente

#3.1

10/15/1985

RPI 782

Pedido de patente depositado

#2.1

03/05/1985

RPI 750

Indeferimento

#9.2

06/21/1994

RPI 1229

Conhecimento de parecer técnico

#7.1

06/19/1990

RPI 1023

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