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Official data from INPI

CIRCUITO PARA TESTES DE CANAIS DE RÁDIO E LINHAS TELEGRÁFICAS

IndeferidaInvention Patent

Application data

Number

PI8306943

Type

Invention Patent

Filing

12/16/1983

Publication

07/23/1985

Progress at the INPI

Under appeal
  1. Filing12/16/83
  2. Publication07/23/85
  3. Examination04/12/88
  4. Refused07/04/89
  5. Grant
  6. In force

The application was refused by the INPI on 07/04/1989. The invention was never patented.

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Latest action published by the INPI: 07/04/1989. 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. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

07/04/1989

RPI 976

Solicitação de exame técnico

#4.1

04/12/1988

RPI 912

Retificação

#15.6

02/09/1988

RPI 903

Retificação

#15.3

10/20/1987

RPI 887

Publicação do pedido de patente

#3.1

07/23/1985

RPI 770

Pedido de patente depositado

#2.1

02/28/1984

RPI 697

Republicação - classificação IPC

#15.11

As classificações anteriores eram: H04B 17/00, H04L 1/24, H04L 11/12

08/25/2015

RPI 2329

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