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Official data from INPI

CABEÇA DE CILINDRO COM CÂMARA DE COMBUSTÃO PARA MOTORES DIESEL.

Em AnáliseInvention Patent

Application data

Number

PI8307644

Type

Invention Patent

Filing

12/12/1983

Publication

11/27/1984

Progress at the INPI

  1. Filing12/12/83
  2. Publication11/27/84
  3. Examination12/09/86
  4. Refused12/12/89
  5. Grant
  6. In force

The application was refused on 12/12/1989 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/12/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. M. (pessoa física)

Inventors

W. M. (pessoa física)

Technical data

IPC Classification

Priority claims

CH

7226/82-3 · 12/13/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

12/12/1989

RPI 999

Petição de recurso

#12.2

05/17/1988

RPI 917

Indeferimento

#9.2

01/19/1988

RPI 900

Solicitação de exame técnico

#4.1

12/09/1986

RPI 842

8.1

08/19/1986

RPI 826

Notificação de entrada na fase nacional - PCT

#1.3

11/27/1984

RPI 736

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