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

VALVULA APERFEICOADA

Em AnáliseInvention Patent

Application data

Number

PI7800127

Type

Invention Patent

Filing

01/10/1978

Publication

-

Progress at the INPI

  1. Filing01/10/78
  2. Publication
  3. Examination
  4. Allowance05/18/82
  5. Grant02/26/85
  6. Expired07/20/93

The letters patent expired on 07/20/1993: 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: 10/08/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. P. (pessoa física)

See this company's full portfolio

Inventors

C. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

10/08/1985

RPI 781

Concessão da patente

#16.1

02/26/1985

RPI 749

13.2

11/13/1984

RPI 734

Notificação para pagamento de retribuição

#13.1

10/30/1984

RPI 732

110

06/26/1984

RPI 714

Recurso

#12.1

09/14/1982

RPI 621

Deferimento

#9.1

05/18/1982

RPI 604

Exigência - art. 36 da LPI

#6.1

11/17/1981

RPI 578

Carta-patente expirada

#21.1

07/20/1993

RPI 1181

Patent monitoring

Track this patent in real time.

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