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

ELEMENTO REFRIGERADOR PARA UM FORNO METALURGICO, PROCESSO PARA A FABRICACAO DE UM ELEMENTO REFRIGERADOR E EMPREGO DE UMA FUSAO DE ACO FUNDIDO PARA A FABRICACAO DE UM ELEMENTO REFRIGERADOR

Em AnáliseInvention Patent

Application data

Number

PI8000418

Type

Invention Patent

Filing

01/27/1979

Publication

-

Progress at the INPI

  1. Filing01/27/79
  2. Publication
  3. Examination08/10/82
  4. Allowance05/22/84
  5. Grant03/26/85
  6. Terminated02/11/92

The patent was granted on 03/26/1985 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HOESCH WERKE AG

See this company's full portfolio

Inventors

D. A. (pessoa física)

I. E. (pessoa física)

L. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

08/29/1989

RPI 984

Concessão da patente

#16.1

03/26/1985

RPI 753

Notificação para pagamento de retribuição

#13.1

12/11/1984

RPI 738

9.1.3

08/21/1984

RPI 722

Deferimento

#9.1

05/22/1984

RPI 709

Exigência - art. 36 da LPI

#6.1

11/01/1983

RPI 680

Solicitação de exame técnico

#4.1

08/10/1982

RPI 616

Anuidade - prazo legal encerrado

#18.2

02/11/1992

RPI 1106

18.8

02/01/1990

RPI 1004

Patent monitoring

Track this patent in real time.

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