(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

DISPOSITIVO DE PRESSÃO DE FLUIDO

Arquivada/ExtintaInvention Patent

Application data

Number

PI8906346

Type

Invention Patent

Filing

12/08/1989

Publication

08/21/1990

Progress at the INPI

  1. Filing12/08/89
  2. Publication08/21/90
  3. Examination11/17/92
  4. Allowance01/18/94
  5. Grant08/30/94
  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

Bridgestone/Firestone, Inc.

US

See this company's full portfolio

Inventors

D. W. (pessoa física)

US

K. H. (pessoa física)

US

W. G. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

291.908 · 12/29/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 08/12/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

08/30/1994

RPI 1239

Notificação para pagamento de retribuição

#13.1

05/10/1994

RPI 1223

Deferimento

#9.1

01/18/1994

RPI 1207

Solicitação de exame técnico

#4.1

11/17/1992

RPI 1146

Publicação do pedido de patente

#3.1

08/21/1990

RPI 1029

Pedido de patente depositado

#2.1

03/27/1990

RPI 1011

Related

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.