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

SISTEMA DE PROTEÇAO DO CONE PEQUENO DO ALTO FORNO.

IndeferidaInvention Patent

Application data

Number

PI8200129

Type

Invention Patent

Filing

01/12/1982

Publication

09/13/1983

Progress at the INPI

  1. Filing01/12/82
  2. Publication09/13/83
  3. Examination03/05/85
  4. Refused09/04/90
  5. Grant
  6. In force

The application was refused on 09/04/1990 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: 08/15/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Companhia Siderúrgica Nacional - CSN

RJ, BR

See this company's full portfolio

Inventors

M. M. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

08/15/1989

RPI 982

Conhecimento de parecer técnico

#7.1

11/29/1988

RPI 945

Solicitação de exame técnico

#4.1

03/05/1985

RPI 750

Republicação - classificação IPC

#15.11

02/14/1984

RPI 695

Publicação do pedido de patente

#3.1

09/13/1983

RPI 673

Pedido de patente depositado

#2.1

03/02/1982

RPI 593

111

09/04/1990

RPI 1031

Petição de recurso

#12.2

01/23/1990

RPI 1003

Patent monitoring

Track this patent in real time.

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