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Official data from INPI

PROCESSO DE CAPEAMENTO AUTOMÁTICO DE MASTRO NO LINGOTAMENTO INDIRETO DE AÇO CAPEADO MECANICAMENTE

Em AnáliseInvention Patent

Application data

Number

PI8705185

Type

Invention Patent

Filing

09/21/1987

Publication

05/17/1988

Progress at the INPI

  1. Filing09/21/87
  2. Publication05/17/88
  3. Examination10/11/88
  4. Allowance08/08/95
  5. Grant07/30/96
  6. Expired07/29/08

The letters patent expired on 07/29/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/11/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cia. Siderúrgica Belgo Mineira

MG, BR

Inventors

W. G. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/11/1988

RPI 938

Publicação antecipada

#3.2

05/17/1988

RPI 917

Pedido de patente depositado

#2.1

02/23/1988

RPI 905

Carta-patente expirada

#21.1

Patente extinta em 21/09/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

07/30/1996

RPI 1339

Notificação para pagamento de retribuição

#13.1

01/02/1996

RPI 1309

Deferimento

#9.1

08/08/1995

RPI 1288

Exigência - art. 36 da LPI

#6.1

03/01/1995

RPI 1265

Exigência - art. 36 da LPI

#6.1

02/22/1994

RPI 1212

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