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Official data from INPI

ESTRADO METÁLICO PARA BOBINAS

Em ExigênciaUtility Model

Application data

Number

MU6601364

Type

Utility Model

Filing

08/11/1986

Publication

04/12/1988

Progress at the INPI

  1. Filing08/11/86
  2. Publication04/12/88
  3. Examination08/09/88
  4. Allowance04/10/90
  5. Grant10/30/90
  6. Terminated11/14/95

The patent was granted on 10/30/1990 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Usinas Siderúrgicas de Minas Gerais - USIMINAS (Grupo Siderbrás)

MG, BR

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Inventors

L. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

10/24/1989

RPI 992

Solicitação de exame técnico

#4.1

08/09/1988

RPI 929

Publicação do pedido de patente

#3.1

04/12/1988

RPI 912

Pedido de patente depositado

#2.1

03/31/1987

RPI 858

Anuidade - prazo legal encerrado

#18.2

11/14/1995

RPI 1302

Concessão da patente

#16.1

10/30/1990

RPI 1039

Notificação para pagamento de retribuição

#13.1

08/14/1990

RPI 1028

Deferimento

#9.1

04/10/1990

RPI 1013

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