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Official data from INPI

PROCESSO DE PRODUCAO DE TERMOFERTILIZANTES EM FORNO ELETRICO,EM FORNO DE INDUCAO E EM PANELAS,UTILIZANDO-SE ESCORIAS SOLIDAS DE FERRO SILICO MANGANES

ArquivadaInvention Patent

Application data

Number

PI8600983

Type

Invention Patent

Filing

03/07/1986

Publication

10/27/1987

Progress at the INPI

  1. Filing03/07/86
  2. Publication10/27/87
  3. Examination
  4. Allowance
  5. Grant
  6. In force

Published on 10/27/1987, 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: 12/12/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

IRMAOS AYRES S A CONSTRUCOES I [BR]

Inventors

S. D. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

12/12/1989

RPI 999

Publicação do pedido de patente

#3.1

10/27/1987

RPI 888

Pedido de patente depositado

#2.1

08/26/1986

RPI 827

14.2

09/11/1990

RPI 1032

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