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Official data from INPI

DISPOSITIVO DE ALARME E CONTAGEM DE TEMPO DE INTERRUPÇÃO E FUNCIONAMENTO DE CANAIS DE RÁDIO

ArquivadaInvention Patent

Application data

Number

PI8108475

Type

Invention Patent

Filing

12/29/1981

Publication

08/16/1983

Progress at the INPI

  1. Filing12/29/81
  2. Publication08/16/83
  3. Abandoned03/05/85
  4. Allowance
  5. Grant
  6. In force

The application was abandoned at the INPI. The case ended without a patent and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 01/13/1987. 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. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

11.3

01/13/1987

RPI 847

Exigência - art. 36 da LPI

#6.1

06/17/1986

RPI 817

Exigência - art. 36 da LPI

#6.1

08/20/1985

RPI 774

Solicitação de exame técnico

#4.1

03/05/1985

RPI 750

Publicação do pedido de patente

#3.1

08/16/1983

RPI 669

Pedido de patente depositado

#2.1

02/24/1982

RPI 592

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