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

VÁLVULA MAGNÉTICA PARA INSTALAÇÕES FRIGORIFICAS

ConcedidaInvention Patent

Application data

Number

PI8401844

Type

Invention Patent

Filing

04/18/1984

Publication

11/27/1984

Progress at the INPI

  1. Filing04/18/84
  2. Publication11/27/84
  3. Examination04/23/85
  4. Allowance08/11/87
  5. Grant03/29/88
  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: 03/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Danfoss A/S.

DK

See this company's full portfolio

Inventors

C. J. (pessoa física)

DK

J. J. (pessoa física)

DK

T. S. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 33 14 722.1 · 04/22/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/29/1988

RPI 910

Notificação para pagamento de retribuição

#13.1

12/01/1987

RPI 893

Deferimento

#9.1

08/11/1987

RPI 877

Exigência - art. 36 da LPI

#6.1

06/24/1986

RPI 818

Solicitação de exame técnico

#4.1

04/23/1985

RPI 757

Publicação do pedido de patente

#3.1

11/27/1984

RPI 736

Pedido de patente depositado

#2.1

06/26/1984

RPI 714

Carta-patente expirada

#21.1

Patente extinta em 18/04/99

07/08/2008

RPI 1957

Patent monitoring

Track this patent in real time.

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