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Invention PatentPI9000573

APARELHO INTERRUPTOR EXTINTOR DE ARCO E PROCESSO PARA INTERROMPER UM ARCO

A.B. Chance Company

Em AnáliseIPC H01H 33/00

Progress at the INPI

  1. Examination01/21/92

Published on 01/15/1991, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 10/31/1995. We update with every new RPI gazette, published weekly.

Technical data

IPC Classification

Priority claims

US

308.145 · 02/08/1989

US

446.476 · 12/05/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

10/31/1995

RPI 1300

Retificação

15.3

01/21/1992

RPI 1103

Solicitação de exame técnico

4.1

01/15/1991

RPI 1050

Publicação do pedido de patente

3.1

05/22/1990

RPI 1019

Pedido de patente depositado

2.1