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

VALVULAS PARA FLUIDOS

ConcedidaInvention Patent

Application data

Number

PI8302254

Type

Invention Patent

Filing

05/02/1983

Publication

12/11/1984

Progress at the INPI

  1. Filing05/02/83
  2. Publication12/11/84
  3. Examination02/03/87
  4. Allowance02/09/88
  5. Grant09/27/88
  6. Expired08/19/08

The letters patent expired on 08/19/2008: 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: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LICEU DE ARTES E OFICIOS DE SA [BR]

Inventors

B. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Alteração de numeração

#15.1

09/27/1988

RPI 936

Concessão da patente

#16.1

09/27/1988

RPI 936

Deferimento

#9.1

02/09/1988

RPI 903

Solicitação de exame técnico

#4.1

02/03/1987

RPI 850

Publicação do pedido de patente

#3.1

12/11/1984

RPI 738

Pedido de patente depositado

#2.1

06/21/1983

RPI 661

Carta-patente expirada

#21.1

Patente extinta em 02/05/98

08/19/2008

RPI 1963

Patent monitoring

Track this patent in real time.

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