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

PERMUTADOR DE CALOR

Em AnáliseInvention Patent

Application data

Number

PI8002561

Type

Invention Patent

Filing

10/25/1979

Publication

-

Progress at the INPI

  1. Filing10/25/79
  2. Publication
  3. Examination03/29/83
  4. Allowance03/20/84
  5. Grant10/30/84
  6. Terminated09/26/89

The patent was granted on 10/30/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. J. (pessoa física)

Inventors

F. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

09/26/1989

RPI 988

Concessão da patente

#16.1

10/30/1984

RPI 732

Notificação para pagamento de retribuição

#13.1

07/17/1984

RPI 717

Deferimento

#9.1

03/20/1984

RPI 700

Exigência - art. 36 da LPI

#6.1

10/04/1983

RPI 676

Solicitação de exame técnico

#4.1

03/29/1983

RPI 649

Patent monitoring

Track this patent in real time.

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