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Official data from INPI

PROCESSO PARA ELIMINAÇÃO DE DEPÓSITOS DE GRAFITA NO TOPO DE LINGOTEIRAS

Em AnáliseInvention Patent

Application data

Number

PI8305080

Type

Invention Patent

Filing

09/19/1983

Publication

04/23/1985

Progress at the INPI

Awaiting grant fee payment
  1. Filing09/19/83
  2. Publication04/23/85
  3. Examination03/04/87
  4. Allowance05/23/89
  5. Grant
  6. In force

The application was allowed by the INPI on 05/23/1989. The grant of the letters patent is being processed.

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Latest action published by the INPI: 09/19/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Usinas Siderúrgicas de Minas Gerais S/A - Usiminas

MG, BR

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Inventors

M. S. (pessoa física)

BR

O. T. (pessoa física)

BR

W. D. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

09/19/1989

RPI 987

Deferimento

#9.1

05/23/1989

RPI 970

Exigência - art. 36 da LPI

#6.1

01/03/1989

RPI 950

Solicitação de exame técnico

#4.1

03/04/1987

RPI 854

Publicação do pedido de patente

#3.1

04/23/1985

RPI 757

Pedido de patente depositado

#2.1

11/06/1984

RPI 733

15.7

08/07/1990

RPI 1027

Retificação

#15.3

02/13/1990

RPI 1006

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