Official data from INPI

REOSTATO ESTÁTICO PARA CONTROLE DE TENSÃO MECÂNICA EM TIRAS METÁLICAS.

PublicadaInvention Patent

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Application data

Number

PI8705361

Type

Invention Patent

Filing

10/08/1987

Publication

04/25/1989

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Progress at the INPI

Under appeal

Filing10/08/87
Publication04/25/89
Examination01/08/91
Refused11/16/93
Grant
In force

The application was refused by the INPI on 11/16/1993. The invention was never patented.

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Latest action published by the INPI: 04/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DI-Elétrons-Eletrônica Industrial Ltda

MG, BR

Usinas Siderúrgicas de Minas Gerais S/A - Usiminas

MG, BR

Inventors

J. F. (pessoa física)

K. M. (pessoa física)

R. V. (pessoa física)

Technical data

IPC Classification

H01C 1/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

04/25/1989

RPI 966

Pedido de patente depositado

#2.1

11/08/1988

RPI 942

Indeferimento

#9.2

11/16/1993

RPI 1198

Solicitação de exame técnico

#4.1

01/08/1991

RPI 1049

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