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Official data from INPI

PROCESSO PARA MANTER UM DADO TEOR DE ZINCO EM BANHOS DE FOSFATO DE ZINCO CONTENDO NIQUEL E SUA APLICACAO

Em AnáliseInvention Patent

Application data

Number

PI8503561

Type

Invention Patent

Filing

07/27/1984

Publication

04/22/1986

Progress at the INPI

Technical opinion to answer
  1. Filing07/27/84
  2. Publication04/22/86
  3. Examination06/30/87
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

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Latest action published by the INPI: 06/30/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

METALLGESELLSCHAFT AG [DE]

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Inventors

H. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/30/1987

RPI 871

Publicação do pedido de patente

#3.1

04/22/1986

RPI 809

Pedido de patente depositado

#2.1

10/08/1985

RPI 781

Retificação

#15.3

01/28/1992

RPI 1104

Conhecimento de parecer técnico

#7.1

10/01/1991

RPI 1087

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