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Official data from INPI

APERFEIÇOAMENTO EM DISPOSITIVO DE ISOLAMENTO DE INTERRUPTOR

Em AnáliseInvention Patent

Application data

Number

PI7904417

Type

Invention Patent

Filing

07/09/1979

Publication

-

Progress at the INPI

  1. Filing07/09/79
  2. Publication
  3. Examination06/08/82
  4. Allowance05/31/83
  5. Grant10/25/83
  6. Terminated06/24/86

The patent was granted on 10/25/1983 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/24/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

General Electric Company

US

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Inventors

C. J. (pessoa física)

Technical data

IPC Classification

Priority claims

US

923412 · 07/10/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/24/1986

RPI 818

Cessão de direito de exploração

#22.1

06/04/1985

RPI 763

Concessão da patente

#16.1

10/25/1983

RPI 679

Deferimento

#9.1

05/31/1983

RPI 658

Solicitação de exame técnico

#4.1

06/08/1982

RPI 607

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