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Official data from INPI

DISPOSITIVO PARA ALTERAÇÃO E OU COMPENSAÇÃO DA TAXA DE COMPRESSÃO DE MOTORES A EXPLOSÃO E COMBUSTÃO INTERNA

ArquivadaInvention Patent
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Application data

Number

PI9004012

Type

Invention Patent

Filing

08/14/1990

Publication

03/17/1992
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Progress at the INPI

  1. Filing08/14/90
  2. Publication03/17/92
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 06/08/1993. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. C. (pessoa física)

RJ, BR

V. J. (pessoa física)

RJ, BR

W. J. (pessoa física)

RJ, BR

Inventors

E. C. (pessoa física)

BR

V. J. (pessoa física)

BR

W. J. (pessoa física)

BR

Technical data

IPC Classification

F02D 15/04

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

06/08/1993

RPI 1175

Solicitação de exame não realizada

#4.2

04/28/1992

RPI 1117

Publicação do pedido de patente

#3.1

03/17/1992

RPI 1111

Pedido de patente depositado

#2.1

02/19/1991

RPI 1055

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