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Official data from INPI

COMPOSIÇÃO PARTICULARMENTE ÚTIL NO REVESTIMENTO DE METAIS, OBJETO METÁLICO E MÉTODO PARA REVESTIR SUPERFÍCIES METÁLICAS

Em AnáliseInvention PatentPCT · US1989003254

Application data

Number

PI8907072

Type

Invention Patent

Filing

07/27/1989

Publication

01/08/1991

PCT

US1989003254

Progress at the INPI

  1. Filing07/27/89
  2. Publication01/08/91
  3. Examination03/09/93
  4. Allowance
  5. Grant
  6. In force

Published on 01/08/1991, 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: 04/29/1997. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. C. (pessoa física)

US

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Inventors

J. Z. (pessoa física)

W. H. (pessoa física)

Technical data

IPC Classification

Priority claims

US

240,161 · 09/02/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

04/29/1997

RPI 1378

Solicitação de exame técnico

#4.1

03/09/1993

RPI 1162

Notificação de entrada na fase nacional - PCT

#1.3

01/08/1991

RPI 1049

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