Official data from INPI

MÉTODO PARA VIGILÂNCIA E PROTEÇÃO DE MÁQUINAS SÍNCRONAS.

Prazo de SigiloInvention Patent

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Application data

Number

PI8804212

Type

Invention Patent

Filing

08/12/1988

Publication

03/27/1990

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Progress at the INPI

Under appeal

Filing08/12/88
Publication03/27/90
Examination10/23/90
Refused04/26/94
Grant
In force

The application was refused by the INPI on 04/26/1994. The invention was never patented.

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Latest action published by the INPI: 01/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Elfa-Seg Eletro-Eletrônica Ltda

SP, BR

Inventors

F. S. (pessoa física)

Technical data

IPC Classification

H02K 15/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

01/10/1989

RPI 951

Indeferimento

#9.2

04/26/1994

RPI 1221

Solicitação de exame técnico

#4.1

10/23/1990

RPI 1038

Publicação do pedido de patente

#3.1

03/27/1990

RPI 1011

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