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Official data from INPI

ELETROLITOS A BASE DE ZIRCÔNIA PARA MEDIDA DE CONCENTRAÇÃO DE OXIGÊNIO

PublicadaUtility Model

Application data

Number

MU6701267

Type

Utility Model

Filing

06/08/1987

Publication

01/17/1989

Progress at the INPI

Under appeal
  1. Filing06/08/87
  2. Publication01/17/89
  3. Examination01/08/91
  4. Refused10/15/91
  5. Grant
  6. In force

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

Talk to a specialist

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

Applicants and inventors

Applicants

Engecer Projetos e Produtos Cerâmicos S/A

SP, BR

Inventors

M. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

01/17/1989

RPI 952

Pedido de patente depositado

#2.1

11/17/1987

RPI 891

Indeferimento

#9.2

10/15/1991

RPI 1089

Solicitação de exame técnico

#4.1

01/08/1991

RPI 1049

14.4

08/07/1990

RPI 1027

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