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Official data from INPI

PROCESSO PARA A FORMAÇÃO CONTÍNUA E AUTOMÁTICA DE UM TUBO METÁLICO CONTÍNUO ENCHIDO COM MATERIAIS EM FORMA DE PÓ PARA O TRATAMENTO METALÚRGICO DE METAIS EM FUSÃO DENTRO DA CAÇAMBA DE CORRIDA, E PARA CARREGAR O MESMO NO METAL EM FUSÃO CONTIDO NA CAÇAMBA

Prazo de SigiloInvention Patent

Application data

Number

PI8902402

Type

Invention Patent

Filing

05/26/1989

Publication

01/16/1990

Progress at the INPI

  1. Filing05/26/89
  2. Publication01/16/90
  3. Examination03/10/92
  4. Allowance
  5. Grant
  6. In force

Published on 01/16/1990, 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: 07/04/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Kinglor Ltd.

CH

Inventors

L. F. (pessoa física)

UY

M. G. (pessoa física)

Technical data

IPC Classification

Priority claims

IT

20766 A/88 · 05/27/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

07/04/1989

RPI 976

Retificação

#15.3

08/23/1994

RPI 1238

Solicitação de exame técnico

#4.1

03/10/1992

RPI 1110

Publicação do pedido de patente

#3.1

01/16/1990

RPI 1002

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