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Official data from INPI

VÁLVULA DE CONTROLE PARA SISTEMA DE FREAGEM POR PRESSÃO DE FLUIDO

Arquivada/ExtintaInvention PatentPCT · US1988003751

Application data

Number

PI8807910

Type

Invention Patent

Filing

10/19/1988

Publication

04/02/1991

PCT

US1988003751

Progress at the INPI

  1. Filing10/19/88
  2. Publication04/02/91
  3. Examination12/24/91
  4. Allowance11/23/93
  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: 09/02/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Allied-Signal Inc

US

AlliedSignal Inc.

US

Bendix Commercial Vehicle Systems LLC

US

See this company's full portfolio

Inventors

J. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

211.653 · 06/27/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 19/10/2003

09/02/2008

RPI 1965

Transferência deferida

#25.1

Transferido de: AlliedSignal Inc.

09/06/2005

RPI 1809

Alteração de nome deferida

#25.4

Alterado de: Allied - Signal Inc.

08/16/2005

RPI 1806

Concessão da patente

#16.1

05/31/1994

RPI 1226

Deferimento

#9.1

11/23/1993

RPI 1199

Exigência - art. 36 da LPI

#6.1

07/06/1993

RPI 1179

Solicitação de exame técnico

#4.1

12/24/1991

RPI 1099

Notificação de entrada na fase nacional - PCT

#1.3

04/02/1991

RPI 1061

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