Official data from INPI

PROCESSO E DISPOSITIVO APERFEICOADOS PARA A FABRICACAO DE ACOS DE BOA QUALIDADE

Em AnáliseInvention Patent

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Application data

Number

PI7602840

Type

Invention Patent

Filing

05/17/1975

Publication

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Progress at the INPI

Filing05/17/75
Publication
Examination
Refused12/23/86
Grant
In force

The application was refused on 12/23/1986 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: 12/23/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

VACMETAL GMBH

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

12/23/1986

RPI 844

Petição de recurso

#12.2

12/22/1981

RPI 583

From the same holder

DESVIO GIRATORIO PARA TUBOS

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