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Official data from INPI

PROCESSO E DISPOSITIVO PARA GERAR ONDAS ADEQUADAS PARA ACIONAR UM MOTOR DO TIPO PWM

Em AnáliseInvention Patent

Application data

Number

PI7908232

Type

Invention Patent

Filing

12/12/1978

Publication

-

Progress at the INPI

  1. Filing12/12/78
  2. Publication
  3. Examination
  4. Allowance11/16/82
  5. Grant06/28/83
  6. Terminated06/14/88

The patent was granted on 06/28/1983 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. A. (pessoa física)

Inventors

B. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

16.3

08/30/1983

RPI 671

Concessão da patente

#16.1

06/28/1983

RPI 662

Notificação para pagamento de retribuição

#13.1

03/22/1983

RPI 648

Deferimento

#9.1

11/16/1982

RPI 630

Exigência - art. 36 da LPI

#6.1

05/11/1982

RPI 603

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