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Official data from INPI

Sistema de correção rápida do teor da mistura de combustível

Em AnáliseInvention Patent

Application data

Number

PI8700372

Type

Invention Patent

Filing

01/23/1987

Publication

12/08/1987

Progress at the INPI

  1. Filing01/23/87
  2. Publication12/08/87
  3. Examination08/28/90
  4. Allowance09/27/94
  5. Grant06/27/95
  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: 07/04/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Weber S.r.1

IT

Weber S.r.l

IT

Inventors

C. C. (pessoa física)

IT

M. S. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

67.055-A/86 · 01/24/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

14.1

07/04/1989

RPI 976

14.3

01/03/1989

RPI 950

Publicação do pedido de patente

#3.1

12/08/1987

RPI 894

Pedido de patente depositado

#2.1

05/26/1987

RPI 866

Carta-patente expirada

#21.1

Patente extinta em 23/01/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

06/27/1995

RPI 1282

Notificação para pagamento de retribuição

#13.1

01/31/1995

RPI 1261

Deferimento

#9.1

09/27/1994

RPI 1243

Exigência - art. 36 da LPI

#6.1

01/25/1994

RPI 1208

Solicitação de exame técnico

#4.1

08/28/1990

RPI 1030

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