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Official data from INPI

PISTAO PARA MOTOR DE COMBUSTAO INTERNA E MOTOR DE COMBUSTAO INTERNA

ConcedidaInvention Patent

Application data

Number

PI7608400

Type

Invention Patent

Filing

09/23/1976

Publication

-

Progress at the INPI

  1. Filing09/23/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant07/27/82
  6. Terminated10/23/90

The patent was granted on 07/27/1982 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: 07/27/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LISTER & CO LTD R A

Inventors

M. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/27/1982

RPI 614

Notificação para pagamento de retribuição

#13.1

10/27/1981

RPI 575

Anuidade - prazo legal encerrado

#18.2

10/23/1990

RPI 1038

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