Official data from INPI

EQUIPAMENTO DUPLO PARA AQUECER

IndeferidaInvention Patent

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Application data

Number

PI8104593

Type

Invention Patent

Filing

07/15/1981

Publication

02/22/1983

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Progress at the INPI

Under appeal

Filing07/15/81
Publication02/22/83
Examination02/14/84
Refused06/25/85
Grant
In force

The application was refused by the INPI on 06/25/1985. The invention was never patented.

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Latest action published by the INPI: 06/25/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ELETROMETALURG BRASIL IND LTD [BR]

Inventors

O. D. (pessoa física)

Technical data

IPC Classification

H05B 11/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

06/25/1985

RPI 766

Conhecimento de parecer técnico

#7.1

07/31/1984

RPI 719

Solicitação de exame técnico

#4.1

02/14/1984

RPI 695

Solicitação de exame não realizada

#4.2

11/16/1983

RPI 682

Publicação do pedido de patente

#3.1

02/22/1983

RPI 644

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