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

EQUIPAMENTO ELETRÔNICO INDICADOR DE INJEÇÃO DE MASSA REFRATÁRIA EM CANHÕES DE LAMA PARA FECHAMENTO DE FURO DE VAZAMENTO EM ALTOS FORNOS

ArquivadaInvention Patent

Application data

Number

PI9005365

Type

Invention Patent

Filing

10/23/1990

Publication

06/02/1992

Progress at the INPI

  1. Filing10/23/90
  2. Publication06/02/92
  3. Abandoned05/11/93
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/23/1997. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Companhia Siderúrgica Nacional - CSN

RJ, BR

Instituto de Pesquisas Tecnológicas de São Paulo S/A - IPT

SP, BR

See this company's full portfolio

Inventors

P. F. (pessoa física)

BR

R. C. (pessoa física)

BR

W. D. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

09/23/1997

RPI 1399

Exigência - art. 36 da LPI

#6.1

10/01/1996

RPI 1348

Solicitação de exame técnico

#4.1

05/11/1993

RPI 1171

Publicação do pedido de patente

#3.1

06/02/1992

RPI 1122

Pedido de patente depositado

#2.1

04/16/1991

RPI 1063

Patent monitoring

Track this patent in real time.

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