Official data from INPI

Processo de eneriquecimento de gás de alto-forno para transformação em energia no mesmo ato aproveitável

IndeferidaInvention Patent

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Application data

Number

PI8004997

Type

Invention Patent

Filing

08/08/1980

Publication

04/06/1982

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Progress at the INPI

Under appeal

Filing08/08/80
Publication04/06/82
Examination11/23/82
Refused09/18/84
Grant
In force

The application was refused by the INPI on 09/18/1984. The invention was never patented.

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Latest action published by the INPI: 09/18/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Brasox Indústria e Comércio Ltda

Inventors

C. A. (pessoa física)

Technical data

IPC Classification

C21B 3/04 C21B 5/06

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

09/18/1984

RPI 726

Conhecimento de parecer técnico

#7.1

01/03/1984

RPI 689

Solicitação de exame técnico

#4.1

11/23/1982

RPI 631

Publicação do pedido de patente

#3.1

04/06/1982

RPI 598

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