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Official data from INPI

CEIFATOR DE CLIQUES DE DISCAGEM DAS CENTRAIS INTERLIGADAS A CANAIS DE RÁDIO

IndeferidaInvention Patent

Application data

Number

PI8108478

Type

Invention Patent

Filing

12/29/1981

Publication

08/16/1983

Progress at the INPI

Under appeal
  1. Filing12/29/81
  2. Publication08/16/83
  3. Examination08/27/85
  4. Refused10/27/87
  5. Grant
  6. In force

The application was refused by the INPI on 10/27/1987. The invention was never patented.

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Latest action published by the INPI: 10/27/1987. 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).

Indeferimento

#9.2

10/27/1987

RPI 888

Republicação - classificação IPC

#15.11

03/17/1987

RPI 856

Conhecimento de parecer técnico

#7.1

11/25/1986

RPI 840

Solicitação de exame técnico

#4.1

08/27/1985

RPI 775

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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