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Utility ModelMU6701267

ELETROLITOS A BASE DE ZIRCÔNIA PARA MEDIDA DE CONCENTRAÇÃO DE OXIGÊNIO

Engecer Projetos e Produtos Cerâmicos S/A

PublicadaIPC G01N 27/30

Progress at the INPI

Under appeal
  1. Refused10/15/91

The application was refused by the INPI on 10/15/1991. The invention was never patented.

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Latest action published by the INPI: 01/17/1989. We update with every new RPI gazette, published weekly.

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

01/17/1989

RPI 952

Publicação do pedido de patente

3.1

11/17/1987

RPI 891

Pedido de patente depositado

2.1

10/15/1991

RPI 1089

Indeferimento

9.2

01/08/1991

RPI 1049

Solicitação de exame técnico

4.1

08/07/1990

RPI 1027

14.4

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