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Official data from INPI

SISTEMA ANTI-BLOQUEIO PARA CONTROLAR O NIVEL DE DESLIZAMENTO EM UMA OU MAIS RODAS DE UM VEÍCULO

Prazo de SigiloInvention Patent

Application data

Number

PI8903051

Type

Invention Patent

Filing

06/22/1989

Publication

02/06/1990

Progress at the INPI

  1. Filing06/22/89
  2. Publication02/06/90
  3. Examination04/21/92
  4. Allowance11/03/93
  5. Grant05/31/94
  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: 08/08/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Grau Limited

GB

Lucas Industries Public Limited Company

GB

See this company's full portfolio

Inventors

D. H. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8814931.5 · 06/23/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

08/08/1989

RPI 981

Carta-patente expirada

#21.1

Patente extinta em 22/06/2004

12/22/2009

RPI 2033

Concessão da patente

#16.1

05/31/1994

RPI 1226

Deferimento

#9.1

11/03/1993

RPI 1196

Solicitação de exame técnico

#4.1

04/21/1992

RPI 1116

Publicação do pedido de patente

#3.1

02/06/1990

RPI 1005

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