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Official data from INPI

LIXADEIRA ROTATIVA PARA LIMPEZA SIMULTÂNEA DAS DUAS FACES DE UMA TIRA OU CHAPA METÁLICA

ConcedidaInvention Patent

Application data

Number

PI8301653

Type

Invention Patent

Filing

03/30/1983

Publication

11/06/1984

Progress at the INPI

  1. Filing03/30/83
  2. Publication11/06/84
  3. Examination08/26/86
  4. Allowance12/29/87
  5. Grant08/29/89
  6. Terminated12/17/96

The patent was granted on 08/29/1989 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: 08/29/1989. 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

J. A. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

11/01/1988

RPI 941

Deferimento

#9.1

12/29/1987

RPI 897

Solicitação de exame técnico

#4.1

08/26/1986

RPI 827

Publicação do pedido de patente

#3.1

11/06/1984

RPI 733

Pedido de patente depositado

#2.1

05/17/1983

RPI 656

Anuidade - prazo legal encerrado

#18.2

12/17/1996

RPI 1359

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