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Official data from INPI

PROCESSO DE ATIVACAO PARA FORMAR ELETRODEPOSICOES DE CROMO ADERENTES A PARTIR DE BANHOS DE CROMO EFICAZES DE ALTA ENERGIA SOBRE SUBSTRATOS DE METAL

Em AnáliseInvention Patent

Application data

Number

PI8606816

Type

Invention Patent

Filing

08/09/1985

Publication

10/13/1987

Progress at the INPI

  1. Filing08/09/85
  2. Publication10/13/87
  3. Examination02/09/88
  4. Allowance
  5. Grant
  6. In force

Published on 10/13/1987, 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: 12/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M & T CHEMICALS INC [US]

Inventors

C. [. (pessoa física)

J. [. (pessoa física)

K. (pessoa física)

M. [. (pessoa física)

W. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

12/05/1989

RPI 998

Solicitação de exame técnico

#4.1

02/09/1988

RPI 903

Notificação de entrada na fase nacional - PCT

#1.3

10/13/1987

RPI 886

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