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Official data from INPI

DISPOSITIVO PARA LIMPEZA DE PLACAS DE ORIFÍCIO

Em AnáliseInvention Patent

Application data

Number

PI8305943

Type

Invention Patent

Filing

10/27/1983

Publication

06/04/1985

Progress at the INPI

  1. Filing10/27/83
  2. Publication06/04/85
  3. Examination03/04/87
  4. Allowance07/11/89
  5. Grant03/20/90
  6. Terminated05/09/95

The patent was granted on 03/20/1990 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: 11/14/1989. 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

A. P. (pessoa física)

BR

J. R. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

11/14/1989

RPI 995

Deferimento

#9.1

07/11/1989

RPI 977

Exigência - art. 36 da LPI

#6.1

01/31/1989

RPI 954

Solicitação de exame técnico

#4.1

03/04/1987

RPI 854

Publicação do pedido de patente

#3.1

06/04/1985

RPI 763

Pedido de patente depositado

#2.1

01/17/1984

RPI 691

Anuidade - prazo legal encerrado

#18.2

05/09/1995

RPI 1275

Concessão da patente

#16.1

03/20/1990

RPI 1010

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