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Official data from INPI

PROCESSO E SISTEMA DE PRODUÇÃO DE AÇO INOXIDÁVEL SEM UTILIZAÇÃO DE ARGÔNIO

PublicadaInvention Patent

Application data

Number

PI8606189

Type

Invention Patent

Filing

12/12/1986

Publication

07/05/1988

Progress at the INPI

Under appeal
  1. Filing12/12/86
  2. Publication07/05/88
  3. Examination09/25/90
  4. Refused02/27/96
  5. Grant
  6. In force

The application was refused by the INPI on 02/27/1996. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 07/05/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cia. Aços Especiais Itabira - ACESITA

MG, BR

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Inventors

J. N. (pessoa física)

BR

S. O. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

07/05/1988

RPI 924

Pedido de patente depositado

#2.1

04/28/1987

RPI 862

Indeferimento

#9.2

02/27/1996

RPI 1317

Retificação

#15.3

02/21/1996

RPI 1316

Conhecimento de parecer técnico

#7.1

07/19/1994

RPI 1233

15.15

11/26/1991

RPI 1095

15.5

09/17/1991

RPI 1085

Solicitação de exame técnico

#4.1

09/25/1990

RPI 1034

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