Official data from INPI

SUBSTITUICAO PARCIAL DE OLEO COMBUSTIVEL POR CARVAO MINERAL OU VEGETAL BRUTO NO PROCESSO DE FABRICACAO DE CIMENTO POR VIA SECA

Em AnáliseInvention Patent

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Application data

Number

PI7703955

Type

Invention Patent

Filing

06/16/1977

Publication

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Progress at the INPI

Filing06/16/77
Publication
Examination
Refused06/17/86
Grant
In force

The application was refused on 06/17/1986 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 06/17/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SERRAMA SA

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

06/17/1986

RPI 817

Petição de recurso

#12.2

04/17/1984

RPI 704

Indeferimento

#9.2

01/03/1984

RPI 689

Conhecimento de parecer técnico

#7.1

05/18/1982

RPI 604

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