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

VALVULA PARA FLUIDOS

ConcedidaInvention Patent

Application data

Number

PI7703978

Type

Invention Patent

Filing

06/20/1977

Publication

-

Progress at the INPI

  1. Filing06/20/77
  2. Publication
  3. Examination
  4. Allowance01/11/83
  5. Grant09/27/83
  6. Expired07/06/93

The letters patent expired on 07/06/1993: 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: 09/27/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

EICHENBERGER E

Inventors

E. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/27/1983

RPI 675

Notificação para pagamento de retribuição

#13.1

05/24/1983

RPI 657

Deferimento

#9.1

01/11/1983

RPI 638

14.1

04/20/1982

RPI 600

Exigência - art. 36 da LPI

#6.1

11/10/1981

RPI 577

Carta-patente expirada

#21.1

07/06/1993

RPI 1179

Patent monitoring

Track this patent in real time.

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