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

VALVULA DE SAIDA

ConcedidaInvention Patent

Application data

Number

PI7703619

Type

Invention Patent

Filing

06/02/1977

Publication

-

Progress at the INPI

  1. Filing06/02/77
  2. Publication
  3. Examination
  4. Allowance09/06/83
  5. Grant02/28/84
  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: 02/28/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CELITE SA IND COM

Inventors

G. S. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/28/1984

RPI 697

Notificação para pagamento de retribuição

#13.1

11/16/1983

RPI 682

100

09/06/1983

RPI 672

120

12/14/1982

RPI 634

Petição de recurso

#12.2

02/24/1982

RPI 592

Indeferimento

#9.2

10/13/1981

RPI 573

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.