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

ELEMENTO ATIVO PARA DISPOSITIVOS FUNCIONAIS ACIONADOS POR PRESSAO DE GASES

ConcedidaUtility Model

Application data

Number

MU6300612

Type

Utility Model

Filing

05/11/1983

Publication

12/26/1984

Progress at the INPI

  1. Filing05/11/83
  2. Publication12/26/84
  3. Examination01/13/87
  4. Allowance06/21/88
  5. Grant04/25/89
  6. Expired11/22/94

The letters patent expired on 11/22/1994: 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: 04/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MESSERSCHMITT BOELKOW BLOHM [DE]

Inventors

H. H. (pessoa física)

P. O. (pessoa física)

P. F. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/25/1989

RPI 966

Notificação para pagamento de retribuição

#13.1

10/25/1988

RPI 940

Deferimento

#9.1

06/21/1988

RPI 922

Exigência - art. 36 da LPI

#6.1

12/08/1987

RPI 894

Solicitação de exame técnico

#4.1

01/13/1987

RPI 847

Publicação do pedido de patente

#3.1

12/26/1984

RPI 740

Pedido de patente depositado

#2.1

06/28/1983

RPI 662

Carta-patente expirada

#21.1

11/22/1994

RPI 1251

Patent monitoring

Track this patent in real time.

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