Official data from INPI

PROCESSO E INSTALAÇÃO PARA A UTILIZAÇÃO DO CALOR DE ESCAPE E PARA A OBTENÇÃO DE GÁS DE ÁGUA QUANDO DA REFRIGERAÇÃO DE COQUE AO RUBRO, EXPELIDO DE UM FORNO DE CÂMARA

ArquivadaInvention Patent

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Application data

Number

PI8201745

Type

Invention Patent

Filing

03/26/1982

Publication

02/22/1983

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Progress at the INPI

Filing03/26/82
Publication02/22/83
Abandoned03/26/85
Allowance
Grant
In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 07/15/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Hartung, Kuhn & Co Maschinenfabrik GmbH

Inventors

R. J. (pessoa física)

Technical data

IPC Classification

C10B 39/02 C10B 39/04

Priority claims

P 31 12 256.6 · 03/27/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

07/15/1986

RPI 821

Exigência - art. 36 da LPI

#6.1

10/22/1985

RPI 783

Solicitação de exame técnico

#4.1

03/26/1985

RPI 753

Publicação do pedido de patente

#3.1

02/22/1983

RPI 644

Pedido de patente depositado

#2.1

05/11/1982

RPI 603

From the same holder

RECIPIENTE DE EXTINÇÃO DE COQUE

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