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Official data from INPI

SISTEMA DE INJEÇÃO DE COMBUSTÍVEL PARA MOTOR DE COMBUSTÃO INTERNA E PROCESSO PARA REGULAR A QUANTIDADE E SINCRONIA DE INJEÇÃO DE COMBUSTÍVEL NO MESMO

PublicadaInvention Patent

Application data

Number

PI8701832

Type

Invention Patent

Filing

04/15/1987

Publication

01/26/1988

Progress at the INPI

  1. Filing04/15/87
  2. Publication01/26/88
  3. Examination10/09/90
  4. Allowance07/16/91
  5. Grant05/26/92
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 01/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Stanadyne, Inc.

US

See this company's full portfolio

Inventors

W. K. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

854.047 · 04/21/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

01/26/1988

RPI 901

Pedido de patente depositado

#2.1

07/28/1987

RPI 875

Carta-patente expirada

#21.1

Patente extinta em 15/04/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

05/26/1992

RPI 1121

Notificação para pagamento de retribuição

#13.1

11/12/1991

RPI 1093

Deferimento

#9.1

07/16/1991

RPI 1076

Solicitação de exame técnico

#4.1

10/09/1990

RPI 1036

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