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Official data from INPI

MISTURA DESSULFURANTE PARA ADIÇÃO EM PANELA DE GUSA

Em AnáliseInvention Patent

Application data

Number

PI8600221

Type

Invention Patent

Filing

01/21/1986

Publication

11/08/1988

Progress at the INPI

  1. Filing01/21/86
  2. Publication10/29/86
  3. Examination02/21/89
  4. Allowance
  5. Grant
  6. In force

Published on 10/29/1986, 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: 02/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Companhia Siderurgica Paulista - COSIPA.

SP, BR

See this company's full portfolio

Inventors

J. D. (pessoa física)

BR

L. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

02/21/1989

RPI 957

Publicação do pedido de patente

#3.1

11/08/1988

RPI 942

Pedido de patente depositado

#2.1

01/21/1987

RPI 848

Publicação antecipada

#3.2

10/29/1986

RPI 836

Retificação

#15.3

03/09/1993

RPI 1162

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