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Official data from INPI

VÁLVULA DE FLUIDO PARA APLICAÇÕES DE ALTA PRESSÃO

PublicadaInvention Patent

Application data

Number

PI8900496

Type

Invention Patent

Filing

02/03/1989

Publication

10/03/1989

Progress at the INPI

  1. Filing02/03/89
  2. Publication10/03/89
  3. Examination10/08/91
  4. Allowance10/13/93
  5. Grant05/31/94
  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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Fisher Controls International, Inc

US

See this company's full portfolio

Inventors

J. D. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

152.632 · 02/05/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/03/1989

RPI 989

Pedido de patente depositado

#2.1

03/21/1989

RPI 961

Carta-patente expirada

#21.1

Patente extinta em 03/02/2004

12/15/2009

RPI 2032

Concessão da patente

#16.1

05/31/1994

RPI 1226

Deferimento

#9.1

10/13/1993

RPI 1193

Exigência - art. 36 da LPI

#6.1

10/06/1992

RPI 1140

Solicitação de exame técnico

#4.1

10/08/1991

RPI 1088

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