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

ARMADURA FIXA SUBSTITUÍVEL PARA PROTEÇÃO DA GOELA DE ALTO FORNO SIDERÚRGICO

Em AnáliseInvention Patent

Application data

Number

PI8502897

Type

Invention Patent

Filing

06/17/1985

Publication

01/27/1987

Progress at the INPI

  1. Filing06/17/85
  2. Publication01/27/87
  3. Examination03/15/88
  4. Allowance09/25/90
  5. Grant05/28/91
  6. Terminated09/19/95

The patent was granted on 05/28/1991 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: 03/15/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Companhia Siderúrgica Paulista - COSIPA

SP, BR

See this company's full portfolio

Inventors

L. A. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/15/1988

RPI 908

Publicação do pedido de patente

#3.1

01/27/1987

RPI 849

Pedido de patente depositado

#2.1

09/03/1985

RPI 776

Anuidade - prazo legal encerrado

#18.2

09/19/1995

RPI 1294

Concessão da patente

#16.1

05/28/1991

RPI 1069

Notificação para pagamento de retribuição

#13.1

01/08/1991

RPI 1049

Deferimento

#9.1

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.