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Official data from INPI

SISTEMA DE PROTECAO CONTRAPICOS DE CORRENTE PARA UM CONTROLADOR DE CICLOS MULTIPLOS E METODO PARA PROTEGER UM CONTROLADOR DE ELETRODOMESTICO CONTRA PICOS DE CORRENTE

Em AnáliseInvention Patent

Application data

Number

PI8404227

Type

Invention Patent

Filing

05/11/1984

Publication

03/11/1986

Progress at the INPI

Technical opinion to answer
  1. Filing05/11/84
  2. Publication03/11/86
  3. Examination
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

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Latest action published by the INPI: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. C. (pessoa física)

US

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Inventors

R. W. (pessoa física)

Technical data

IPC Classification

Priority claims

US

609,171 · 05/11/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

120

10/31/1989

RPI 993

Retificação

#15.3

09/22/1987

RPI 883

Publicação do pedido de patente

#3.1

03/11/1986

RPI 803

Pedido de patente depositado

#2.1

10/30/1984

RPI 732

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