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Official data from INPI

Unidade de freio

PublicadaInvention Patent

Application data

Number

PI8901273

Type

Invention Patent

Filing

03/20/1989

Publication

11/07/1989

Progress at the INPI

  1. Filing03/20/89
  2. Publication11/07/89
  3. Examination06/26/90
  4. Allowance09/22/92
  5. Grant06/29/93
  6. Expired12/15/09

The letters patent expired on 12/15/2009: 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: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SAB WABCO AB

CH

Sab Wabco Holdings B.V., companhia holandesa

NL

Inventors

L. S. (pessoa física)

SE

Technical data

IPC Classification

Priority claims

SE

8801026-9 · 03/21/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/07/1989

RPI 994

Pedido de patente depositado

#2.1

05/09/1989

RPI 968

Carta-patente expirada

#21.1

Patente extinta em 20/03/2004

12/15/2009

RPI 2032

Transferência deferida

#25.1

Transferido de: Sab Wabco Holdings BV.

11/10/1998

RPI 1453

Concessão da patente

#16.1

06/29/1993

RPI 1178

Republicação - classificação IPC

#15.11

10/06/1992

RPI 1140

Deferimento

#9.1

09/22/1992

RPI 1138

14.1

09/10/1991

RPI 1084

Solicitação de exame técnico

#4.1

06/26/1990

RPI 1024

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