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Official data from INPI

CONJUTO MODULADOR DE FLUÍDO SOB PRESSÃO, ESPECIALMENTE PARASERVO-DIREÇÃO DE VEÍCULO

PublicadaInvention Patent

Application data

Number

PI8703319

Type

Invention Patent

Filing

06/30/1987

Publication

01/17/1989

Progress at the INPI

  1. Filing06/30/87
  2. Publication01/17/89
  3. Examination02/13/91
  4. Allowance02/18/92
  5. Grant10/27/92
  6. Expired07/29/08

The letters patent expired on 07/29/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 01/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Bendix Espanã S/A

ES

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Inventors

J. B. (pessoa física)

ES

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

01/17/1989

RPI 952

Pedido de patente depositado

#2.1

09/01/1987

RPI 880

Carta-patente expirada

#21.1

Patente extinta em 30/06/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

10/27/1992

RPI 1143

Notificação para pagamento de retribuição

#13.1

07/07/1992

RPI 1127

Deferimento

#9.1

02/18/1992

RPI 1107

Solicitação de exame técnico

#4.1

02/13/1991

RPI 1054

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