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Official data from INPI

CIRCUITO GATILHADOR CONTROLADO E PROCESSO DE REGULAGEM DA MAGNITUDE DE PELO MENOS UMA DAS VOLTAGEM E CORRENTE ALTERNADA E CONTINUA PELA VARIACAO DA MAGNITUDE DO ANGULO DE FASE EM UM CONVERSOR ESTATICO

Em AnáliseInvention Patent

Application data

Number

PI8103908

Type

Invention Patent

Filing

06/23/1980

Publication

06/15/1982

Progress at the INPI

  1. Filing06/23/80
  2. Publication06/15/82
  3. Examination08/17/82
  4. Allowance06/26/84
  5. Grant03/26/85
  6. Terminated06/21/88

The patent was granted on 03/26/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HOOKER CHEMICALS PLASTICS CORP

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Inventors

G. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Concessão da patente

#16.1

03/26/1985

RPI 753

Notificação para pagamento de retribuição

#13.1

12/11/1984

RPI 738

Notificação para pagamento de retribuição

#13.1

10/23/1984

RPI 731

9.1.3

08/14/1984

RPI 721

Deferimento

#9.1

06/26/1984

RPI 714

Solicitação de exame técnico

#4.1

08/17/1982

RPI 617

Publicação do pedido de patente

#3.1

06/15/1982

RPI 608

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