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Official data from INPI

CIRCUITO DE CONTROLE PARA MOTOR ELETRICO ALIMENTADO POR UMA FONTE DE CORRENTE

Em AnáliseInvention Patent

Application data

Number

PI7808304

Type

Invention Patent

Filing

12/20/1977

Publication

-

Progress at the INPI

  1. Filing12/20/77
  2. Publication
  3. Examination
  4. Allowance09/21/82
  5. Grant05/31/83
  6. Terminated09/18/90

The patent was granted on 05/31/1983 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: 06/16/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. A. (pessoa física)

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Inventors

H. G. (pessoa física)

J. H. (pessoa física)

K. U. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

06/16/1987

RPI 869

Concessão da patente

#16.1

05/31/1983

RPI 658

Notificação para pagamento de retribuição

#13.1

01/25/1983

RPI 640

Deferimento

#9.1

09/21/1982

RPI 622

Exigência - art. 36 da LPI

#6.1

05/25/1982

RPI 605

Exigência - art. 36 da LPI

#6.1

12/29/1981

RPI 584

Anuidade - prazo legal encerrado

#18.2

09/18/1990

RPI 1033

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