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Official data from INPI

SISTEMA PARA A OPERACAO DE UM MOTOR DE COMBUSTAO INTERNA

Em AnáliseInvention Patent

Application data

Number

PI7808753

Type

Invention Patent

Filing

10/10/1978

Publication

-

Progress at the INPI

  1. Filing10/10/78
  2. Publication
  3. Examination05/25/82
  4. Allowance12/20/83
  5. Grant06/26/84
  6. Terminated10/03/89

The patent was granted on 06/26/1984 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Q CORP

Inventors

Q. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/03/1989

RPI 989

Concessão da patente

#16.1

06/26/1984

RPI 714

Notificação para pagamento de retribuição

#13.1

04/17/1984

RPI 704

Deferimento

#9.1

12/20/1983

RPI 687

Exigência - art. 36 da LPI

#6.1

05/17/1983

RPI 656

Solicitação de exame técnico

#4.1

05/25/1982

RPI 605

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