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

VÁLVULA PORTADORA DE PLACA DE ORIFÍCIO

Em AnáliseInvention Patent
Talk to an expert

Application data

Number

PI8403861

Type

Invention Patent

Filing

08/02/1984

Publication

03/11/1986
View on INPI

Progress at the INPI

  1. Filing08/02/84
  2. Publication03/11/86
  3. Examination06/09/87
  4. Allowance08/08/89
  5. Grant04/24/90
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 12/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Transcontrol Comércio e Indústria de Produtos eletrônicos Ltda.,

RJ, BR

See this company's full portfolio

Inventors

G. P. (pessoa física)

BR

Technical data

IPC Classification

F16K 35/00F16K 43/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

12/05/1989

RPI 998

Deferimento

#9.1

08/08/1989

RPI 981

Exigência - art. 36 da LPI

#6.1

01/10/1989

RPI 951

Exigência - art. 36 da LPI

#6.1

05/17/1988

RPI 917

Solicitação de exame técnico

#4.1

06/09/1987

RPI 868

Publicação do pedido de patente

#3.1

03/11/1986

RPI 803

Pedido de patente depositado

#2.1

10/09/1984

RPI 729

Carta-patente expirada

#21.1

Patente extinta em 02/08/99

07/08/2008

RPI 1957

Concessão da patente

#16.1

04/24/1990

RPI 1015

Related

Patent monitoring

Track this patent in real time.

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