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Official data from INPI

SISTEMA DE FRENAGEM PNEUMATICAMENTE OPERADO PARA VEÍCULOS E SISTEMA DE CONTROLE DE DERRAPAGEM

PublicadaInvention Patent

Application data

Number

PI8804199

Type

Invention Patent

Filing

08/18/1988

Publication

03/14/1989

Progress at the INPI

  1. Filing08/18/88
  2. Publication03/14/89
  3. Examination05/07/91
  4. Allowance10/13/93
  5. Grant05/31/94
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 03/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Grau Limited

GB

See this company's full portfolio

Inventors

A. W. (pessoa física)

GB

D. M. (pessoa física)

GB

E. C. (pessoa física)

GB

W. B. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8719550 · 08/19/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/14/1989

RPI 960

Pedido de patente depositado

#2.1

01/17/1989

RPI 952

Carta-patente expirada

#21.1

Patente extinta em 18/08/2003

09/02/2008

RPI 1965

Republicação - classificação IPC

#15.11

04/04/1995

RPI 1270

Concessão da patente

#16.1

05/31/1994

RPI 1226

Deferimento

#9.1

10/13/1993

RPI 1193

14.1

02/16/1993

RPI 1159

Solicitação de exame técnico

#4.1

05/07/1991

RPI 1066

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