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Official data from INPI

PROCESSO PARA CONTROLAR A COMPOSIÇÃO DE UMA SOLÇÃO DE TRATAMENTO QUÍMICO E DISPOSITIVO E PROCESSO PARA MEDIR ELETROQUIMICAMENTE AS CARACTERÍSTICAS DE UMA SUPERFÍCIE ELETRICAMENTE CONDUTORA.

Em AnáliseInvention Patent

Application data

Number

PI8305833

Type

Invention Patent

Filing

10/21/1983

Publication

05/29/1984

Progress at the INPI

Technical opinion to answer
  1. Filing10/21/83
  2. Publication05/29/84
  3. Examination06/03/86
  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: 06/03/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

AMCHEM PRODUCTS, INC.

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Inventors

K. M. (pessoa física)

Technical data

IPC Classification

Priority claims

US

436,481 · 10/22/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/03/1986

RPI 815

Publicação do pedido de patente

#3.1

05/29/1984

RPI 710

Pedido de patente depositado

#2.1

01/03/1984

RPI 689

Retificação

#15.3

06/25/1991

RPI 1073

Conhecimento de parecer técnico

#7.1

07/24/1990

RPI 1025

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