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Official data from INPI

PROCESSO PARA A OBTENÇÃO DE FERRO FUNDIDO NODULAR A PARTIR DE GUSA LIQUIDO DE ALTO-FORNO NA FABRICAÇÃO DE ASSENTOS DE LINGOTEIRA

Em AnáliseInvention Patent

Application data

Number

PI8502250

Type

Invention Patent

Filing

05/13/1985

Publication

12/23/1986

Progress at the INPI

  1. Filing05/13/85
  2. Publication12/23/86
  3. Examination02/23/88
  4. Allowance09/21/93
  5. Abandoned
  6. In force

The application was allowed on 09/21/1993 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 02/23/1988. 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

J. S. (pessoa física)

BR

R. F. (pessoa física)

BR

V. N. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

02/23/1988

RPI 905

Publicação do pedido de patente

#3.1

12/23/1986

RPI 844

Pedido de patente depositado

#2.1

07/16/1985

RPI 769

Arquivamento - Art. 38 §2° da LPI

#11.4

06/07/1994

RPI 1227

Notificação para pagamento de retribuição

#13.1

02/22/1994

RPI 1212

Deferimento

#9.1

09/21/1993

RPI 1190

Exigência - art. 36 da LPI

#6.1

02/16/1993

RPI 1159

Exigência - art. 36 da LPI

#6.1

07/30/1991

RPI 1078

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