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Official data from INPI

SISTEMA DE INJEÇÃO DE COMBUSTÍVEL PARA MOTORES DIESEL

ConcedidaInvention Patent

Application data

Number

PI7807637

Type

Invention Patent

Filing

11/20/1978

Publication

-

Progress at the INPI

  1. Filing11/20/78
  2. Publication
  3. Examination
  4. Allowance02/08/83
  5. Grant05/29/84
  6. Expired05/24/94

The letters patent expired on 05/24/1994: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/29/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

AB VOLVO

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Inventors

H. H. (pessoa física)

Technical data

IPC Classification

Priority claims

SE

7713231-4 · 11/23/1977

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/29/1984

RPI 710

110

03/07/1984

RPI 698

120

09/13/1983

RPI 673

Recurso

#12.1

05/24/1983

RPI 657

Deferimento

#9.1

02/08/1983

RPI 642

Exigência - art. 36 da LPI

#6.1

04/13/1982

RPI 599

Carta-patente expirada

#21.1

05/24/1994

RPI 1225

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