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Official data from INPI

VÁLVULA REGULADORA DE PRESSÃO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9004164

Type

Invention Patent

Filing

08/17/1990

Publication

03/03/1992

Progress at the INPI

  1. Filing08/17/90
  2. Publication03/03/92
  3. Examination05/04/93
  4. Allowance03/15/94
  5. Grant11/29/94
  6. Expired06/01/10

The letters patent expired on 06/01/2010: 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: 06/01/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Freios Varga S/A

SP, BR

TRW Automotive Ltda.

SP, BR

TRW Automotive South America S.A

SP, BR

See this company's full portfolio

Inventors

M. J. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 17/08/2005

06/01/2010

RPI 2056

Alteração de nome deferida

#25.4

Alterado de: TRW Automotive South América S/A

03/09/2004

RPI 1731

Transferência deferida

#25.1

Transferido de: Freios Varga S.A.

10/17/2000

RPI 1554

Concessão da patente

#16.1

11/29/1994

RPI 1252

Notificação para pagamento de retribuição

#13.1

06/28/1994

RPI 1230

Deferimento

#9.1

03/15/1994

RPI 1215

Solicitação de exame técnico

#4.1

05/04/1993

RPI 1170

Publicação do pedido de patente

#3.1

03/03/1992

RPI 1109

Pedido de patente depositado

#2.1

02/26/1991

RPI 1056

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