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Official data from INPI

INJETOR DE COMBUSTÍVEL

PublicadaInvention Patent

Application data

Number

PI8900510

Type

Invention Patent

Filing

02/03/1989

Publication

10/03/1989

Progress at the INPI

  1. Filing02/03/89
  2. Publication10/03/89
  3. Examination11/12/91
  4. Allowance12/01/92
  5. Grant07/27/93
  6. Expired12/15/09

The letters patent expired on 12/15/2009: 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Grau Limited

GB

See this company's full portfolio

Inventors

J. S. (pessoa física)

P. R. (pessoa física)

R. M. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

8802597 · 02/05/1988

GB

8823845.6 · 10/11/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/03/1989

RPI 989

Pedido de patente depositado

#2.1

03/21/1989

RPI 961

Carta-patente expirada

#21.1

Patente extinta em 03/02/2004

12/15/2009

RPI 2032

Republicação - classificação IPC

#15.11

03/07/1995

RPI 1266

Concessão da patente

#16.1

07/27/1993

RPI 1182

Notificação para pagamento de retribuição

#13.1

04/20/1993

RPI 1168

Deferimento

#9.1

12/01/1992

RPI 1148

Solicitação de exame técnico

#4.1

11/12/1991

RPI 1093

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