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Official data from INPI

CONTROLE DE FORÇA DE FRENAGEM PARA UNIDADES DE FRENAGEM HIDRÁULICA, E PROCESSO PARA SUA MONTAGEM

Arquivada/ExtintaInvention Patent

Application data

Number

PI8905939

Type

Invention Patent

Filing

11/24/1989

Publication

06/19/1990

Progress at the INPI

  1. Filing11/24/89
  2. Publication06/19/90
  3. Examination10/09/90
  4. Allowance06/22/93
  5. Grant05/31/94
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alfred Teves GmbH

DE

See this company's full portfolio

Inventors

K. W. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 38 39 566.5 · 11/24/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 24/11/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

05/31/1994

RPI 1226

Notificação para pagamento de retribuição

#13.1

11/09/1993

RPI 1197

Deferimento

#9.1

06/22/1993

RPI 1177

Exigência - art. 36 da LPI

#6.1

09/22/1992

RPI 1138

Solicitação de exame técnico

#4.1

10/09/1990

RPI 1036

Publicação do pedido de patente

#3.1

06/19/1990

RPI 1023

Pedido de patente depositado

#2.1

03/20/1990

RPI 1010

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