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

CONVERSOR DE FABRICACAO DE ACO,PROCESSO DE FABRICAR ACO,E,PROCESSOS DE APLICAR UM REVESTIMENTO REFRATARIO A SUPERFICIE INTERNA DO VASO DE UM CONVERSOR DE FABRICACAO DE ACO

Em AnáliseInvention Patent

Application data

Number

PI7908480

Type

Invention Patent

Filing

12/22/1978

Publication

-

Progress at the INPI

  1. Filing12/22/78
  2. Publication
  3. Examination06/29/82
  4. Allowance06/26/84
  5. Grant12/26/84
  6. Terminated10/03/89

The patent was granted on 12/26/1984 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KAWASAKI HEAVY IND LTD

See this company's full portfolio

Inventors

M. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/03/1989

RPI 989

Concessão da patente

#16.1

12/26/1984

RPI 740

Notificação para pagamento de retribuição

#13.1

10/23/1984

RPI 731

Deferimento

#9.1

06/26/1984

RPI 714

Exigência - art. 36 da LPI

#6.1

11/01/1983

RPI 680

6.2

03/01/1983

RPI 645

Solicitação de exame técnico

#4.1

06/29/1982

RPI 610

Patent monitoring

Track this patent in real time.

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