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Official data from INPI

VELA DE IGNIÇÃO COM CARGA SEMI-SUPERFICIAL PARA MOTOR DE COMBUSTÃO INTERNA E PROCESSO PARA A REALIZAÇÃO DOS ELETRODOS DE MASSA DA REFERIDA VELA

Prazo de SigiloInvention Patent

Application data

Number

PI8903024

Type

Invention Patent

Filing

06/09/1989

Publication

02/06/1990

Progress at the INPI

  1. Filing06/09/89
  2. Publication02/06/90
  3. Examination11/20/90
  4. Allowance07/19/94
  5. Grant04/25/95
  6. Expired12/22/09

The letters patent expired on 12/22/2009: 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: 08/01/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Industrie Magneti Marelli S.r.l

IT

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Inventors

C. S. (pessoa física)

IT

P. M. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

67555-A/88 · 06/10/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

08/01/1989

RPI 980

Carta-patente expirada

#21.1

Patente extinta em 09/06/2004

12/22/2009

RPI 2033

Concessão da patente

#16.1

04/25/1995

RPI 1273

Notificação para pagamento de retribuição

#13.1

11/15/1994

RPI 1250

Deferimento

#9.1

07/19/1994

RPI 1233

Solicitação de exame técnico

#4.1

11/20/1990

RPI 1042

Publicação do pedido de patente

#3.1

02/06/1990

RPI 1005

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