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Official data from INPI

SISTEMA DE INJEÇÃO DE COMBUSTÍVEL, PARA UM MOTOR DE COMBUSTÃO INTERNA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9104465

Type

Invention Patent

Filing

10/15/1991

Publication

06/09/1992

Progress at the INPI

  1. Filing10/15/91
  2. Publication06/09/92
  3. Examination07/12/94
  4. Allowance05/09/95
  5. Grant10/31/95
  6. Expired06/29/10

The letters patent expired on 06/29/2010: 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: 06/29/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Stanadyne Automotive Corp

US

See this company's full portfolio

Inventors

R. W. (pessoa física)

US

W. K. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

598,035 · 10/16/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 15/10/2006

06/29/2010

RPI 2060

Concessão da patente

#16.1

10/31/1995

RPI 1300

Deferimento

#9.1

05/09/1995

RPI 1275

Solicitação de exame técnico

#4.1

07/12/1994

RPI 1232

Publicação do pedido de patente

#3.1

06/09/1992

RPI 1123

Pedido de patente depositado

#2.1

11/19/1991

RPI 1094

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