Official data from INPI

PROCESSO E APARELHAGEM PARA O PRE-AQUECIMENTO CONTINUO DE MATERIAIS DE CARGA PARA UM FORNO DE FABRICACAO DE ACO

PublicadaInvention Patent

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Application data

Number

PI8604884

Type

Invention Patent

Filing

10/16/1985

Publication

05/31/1988

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Progress at the INPI

Filing10/16/85
Publication05/31/88
Abandoned
Allowance
Grant
In force

The application was abandoned: examination was not requested within the 36 months following the 10/16/1985 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

INTERSTEEL TECHNOLOGY INC [US]

Inventors

V. A. (pessoa física)

Technical data

IPC Classification

C21C 5/52

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/31/1988

RPI 919

Pedido de patente depositado

#2.1

04/07/1987

RPI 859

Arquivamento - Art. 33 da LPI

#11.1

06/25/1991

RPI 1073

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