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Official data from INPI

PROCESSO DE FUNCIONAMENTO DE FORNO DE CAMPÂNULA PARA CALCINAÇÃO COM CONVECÇÃO, EM ESPECIAL PARA CINTAS DE FITA OU ARAME DE AÇO

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Application data

Number

PI8703746

Type

Invention Patent

Filing

07/17/1987

Publication

01/31/1989
View on INPI

Progress at the INPI

  1. Filing07/17/87
  2. Publication01/31/89
  3. Examination04/02/91
  4. Allowance
  5. Grant
  6. In force

Published on 01/31/1989, 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: 01/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ebner Industrieofenbau Gesellschaft m b H

AT

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Inventors

P. E. (pessoa física)

AT

Technical data

IPC Classification

C21D 9/663

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

01/31/1989

RPI 954

Pedido de patente depositado

#2.1

10/20/1987

RPI 887

Retificação

#15.3

08/16/1994

RPI 1237

Solicitação de exame técnico

#4.1

04/02/1991

RPI 1061

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