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Official data from INPI

INTERRUPTOR DE DESLIGAMENTO PARA BARRA DE FASE ISOLADA.

Em AnáliseInvention Patent

Application data

Number

PI7906984

Type

Invention Patent

Filing

10/29/1979

Publication

-

Progress at the INPI

  1. Filing10/29/79
  2. Publication
  3. Examination11/09/82
  4. Allowance09/27/83
  5. Grant03/27/84
  6. Terminated05/17/88

The patent was granted on 03/27/1984 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. C. (pessoa física)

US

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Inventors

K. P. (pessoa física)

P. J. (pessoa física)

W. J. (pessoa física)

Technical data

IPC Classification

Priority claims

US

956.815 · 11/01/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

01/17/1984

RPI 691

Deferimento

#9.1

09/27/1983

RPI 675

Exigência - art. 36 da LPI

#6.1

05/24/1983

RPI 657

Solicitação de exame técnico

#4.1

11/09/1982

RPI 629

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