Official data from INPI

PROCESSO PARA AUMENTAR A DURAÇÃO DO REVESTIMENTO INTERNO REFRATÁRIO DE UM VASO COM REVESTIMENTO INTERNO REFRATÁRIO BÁSICO.

IndeferidaInvention Patent

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Application data

Number

PI8000733

Type

Invention Patent

Filing

02/06/1980

Publication

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Progress at the INPI

Under appeal

Filing02/06/80
Publication
Examination01/12/82
Refused12/26/84
Grant
In force

The application was refused by the INPI on 12/26/1984. The invention was never patented.

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Latest action published by the INPI: 12/26/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

N. C. (pessoa física)

U. C. (pessoa física)

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

12/26/1984

RPI 740

Conhecimento de parecer técnico

#7.1

11/01/1983

RPI 680

Solicitação de exame técnico

#4.1

01/12/1982

RPI 586

From the same holder

APARELHO DE SUPORTE E MUDANÇA DE TUBO DE INVÓLUCRO EM UMA OPERAÇÃO DE LINGOTAMENTO DE METAL FUNDIDO

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