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Official data from INPI

SISTEMA DE INJECAO DE COMBUSTIVEL ULTRASSONICO

Em AnáliseInvention Patent
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Application data

Number

PI7606204

Type

Invention Patent

Filing

09/19/1975

Publication

-
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Progress at the INPI

  1. Filing09/19/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant02/24/82
  6. Terminated11/17/87

The patent was granted on 02/24/1982 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 11/17/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PLESSEY HANDEL INVESTMENT AG

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Inventors

C. F. (pessoa física)

Technical data

IPC Classification

F02M 63/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/17/1987

RPI 891

Pedido de licença compulsória

#20.1

04/10/1984

RPI 703

Concessão da patente

#16.1

02/24/1982

RPI 592

14.1

10/20/1981

RPI 574

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