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Official data from INPI

METAL EM PÓ, PROCESSO PARA OBTENÇÃO DE PARTÍCULAS DE METAL, PROCESSO PARA PRODUZIR PARTÍCULAS DE METAL, ESPONJA DE METAL E ESPONJA DE LIGA DE METAL

Em AnáliseInvention PatentPCT · US1987001435

Application data

Number

PI8707721

Type

Invention Patent

Filing

06/16/1987

Publication

10/31/1989

PCT

US1987001435

Progress at the INPI

  1. Filing06/16/87
  2. Publication10/31/89
  3. Examination02/06/90
  4. Allowance
  5. Grant
  6. In force

Published on 10/31/1989, 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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

O. C. (pessoa física)

US

Inventors

J. M. (pessoa física)

R. H. (pessoa física)

Technical data

IPC Classification

Priority claims

US

875.051 · 06/16/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

10/31/1989

RPI 993

Retificação

#15.3

04/13/1993

RPI 1167

Solicitação de exame técnico

#4.1

02/06/1990

RPI 1005

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