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Official data from INPI

APERFEICOAMENTO EM PROCESSO DE IGNICAO DE UMA MISTURA AR-COMBUSTIVEL EM UM MOTOR DE COMBUSTAO INTERNA,E,EQUIPAMENTO PARA SUA REALIZACAO

Em AnáliseInvention Patent

Application data

Number

PI7607095

Type

Invention Patent

Filing

03/19/1976

Publication

-

Progress at the INPI

  1. Filing03/19/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant05/25/82
  6. Terminated05/21/85

The patent was granted on 05/25/1982 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: 05/21/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TOKAI TRW & CO

Inventors

A. M. (pessoa física)

M. N. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/21/1985

RPI 761

Cessão de direito de exploração

#22.1

11/20/1984

RPI 735

Concessão da patente

#16.1

05/25/1982

RPI 605

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