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

PROCESSO PARA CONTROLE DE TEMPERATURA EM UM PROCESSO DE REDUCAO DE MINERIO DE FERRO FLUIDIZADO

Em AnáliseInvention Patent
Talk to an expert

Application data

Number

PI8000039

Type

Invention Patent

Filing

01/04/1980

Publication

-
View on INPI

Progress at the INPI

  1. Filing01/04/80
  2. Publication
  3. Examination10/20/81
  4. Refused10/14/86
  5. Grant
  6. In force

The application was refused on 10/14/1986 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/14/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ISHIKAWAJIMA HARIMA HEAVY IND [JP]

Inventors

No inventors listed.

Technical data

IPC Classification

C21D 11/00G05D 23/13

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

10/14/1986

RPI 834

Petição de recurso

#12.2

04/02/1985

RPI 754

Indeferimento

#9.2

12/04/1984

RPI 737

Republicação - classificação IPC

#15.11

02/14/1984

RPI 695

Exigência - art. 36 da LPI

#6.1

01/03/1984

RPI 689

Solicitação de exame técnico

#4.1

10/20/1981

RPI 574

Related

Patent monitoring

Track this patent in real time.

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