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

PROCESSO PARA REGULAR UM FORNO DE AQUECIMENTO PARA LINGOTES DE ACO

ConcedidaInvention Patent

Application data

Number

PI7901100

Type

Invention Patent

Filing

03/01/1978

Publication

-

Progress at the INPI

  1. Filing03/01/78
  2. Publication
  3. Examination
  4. Allowance05/04/82
  5. Grant11/30/82
  6. Terminated09/25/90

The patent was granted on 11/30/1982 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: 11/30/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HOESCH WERKE AG

See this company's full portfolio

Inventors

W. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/30/1982

RPI 632

Notificação para pagamento de retribuição

#13.1

09/08/1982

RPI 620

Deferimento

#9.1

05/04/1982

RPI 602

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

Patent monitoring

Track this patent in real time.

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