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Official data from INPI

PROCESSO PARA ELETRODEPOSIÇÃO DE UM REVESTIMENTO PROTETOR DE ZINCO OU LIGA DE ZINCO SOBRE SUBSTRATOS DE FERRO OU AÇO

Em AnáliseInvention PatentPCT · US1989002246

Application data

Number

PI8907647

Type

Invention Patent

Filing

05/23/1989

Publication

07/30/1991

PCT

US1989002246

Progress at the INPI

  1. Filing05/23/89
  2. Publication07/30/91
  3. Examination02/11/92
  4. Allowance
  5. Grant
  6. In force

Published on 07/30/1991, 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: 11/21/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. C. (pessoa física)

US

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Inventors

H. T. (pessoa física)

R. S. (pessoa física)

Y. Y. (pessoa física)

Technical data

IPC Classification

Priority claims

US

256.977 · 10/13/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

11/21/1995

RPI 1303

Solicitação de exame técnico

#4.1

02/11/1992

RPI 1106

Notificação de entrada na fase nacional - PCT

#1.3

07/30/1991

RPI 1078

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