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Official data from INPI

TRATAMENTO CARBURIZANTE DE UM AÇO COM REDUÇÃO DO TEOR DE HIDROGÊNIO NA CAMADA CARBURIZADA

Em AnáliseInvention PatentPCT · SE1990000409

Application data

Number

PI9007465

Type

Invention Patent

Filing

06/13/1990

Publication

05/19/1992

PCT

SE1990000409

Progress at the INPI

  1. Filing06/13/90
  2. Publication05/19/92
  3. Examination07/13/93
  4. Allowance
  5. Grant
  6. In force

Published on 05/19/1992, 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: 11/28/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. A. (pessoa física)

SE

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Inventors

T. H. (pessoa física)

SE

Technical data

IPC Classification

Priority claims

SE

8902365-9 · 06/30/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

11/28/1995

RPI 1304

Solicitação de exame técnico

#4.1

07/13/1993

RPI 1180

Notificação de entrada na fase nacional - PCT

#1.3

05/19/1992

RPI 1120

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