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

PROCESSO PARA RECUPERACAO DE CALOR PERDIDO DE FORNO DE COQUE BEM COMO FORNO DE COQUEIFICACAO PARA A REALIZACAO DO MESMO

Em AnáliseInvention Patent

Application data

Number

PI7802167

Type

Invention Patent

Filing

04/07/1977

Publication

-

Progress at the INPI

  1. Filing04/07/77
  2. Publication
  3. Examination
  4. Allowance01/25/83
  5. Grant07/26/83
  6. Terminated02/25/86

The patent was granted on 07/26/1983 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: 02/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BERGWERKSVERBAND GMBH

D. E. (pessoa física)

See this company's full portfolio

Inventors

F. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

02/25/1986

RPI 801

Cessão de direito de exploração

#22.1

04/02/1985

RPI 754

Concessão da patente

#16.1

07/26/1983

RPI 666

Notificação para pagamento de retribuição

#13.1

05/31/1983

RPI 658

Deferimento

#9.1

01/25/1983

RPI 640

15.0

08/10/1982

RPI 616

Exigência - art. 36 da LPI

#6.1

07/20/1982

RPI 613

Related

Same category

Patent monitoring

Track this patent in real time.

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