Official data from INPI

SISTEMA DE COMUNICACAO DE DADOS COM MODULACAO EM FASE OU FREQUENCIA ATRAVES DE LINHAS FISICAS QUE PERMITE COMUTACAO DE DIVERSAS FONTES DE SINAL POR COMANDO REMOTO

IndeferidaInvention Patent

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Application data

Number

PI8100418

Type

Invention Patent

Filing

01/14/1981

Publication

09/28/1982

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Progress at the INPI

Under appeal

Filing01/14/81
Publication09/28/82
Examination08/21/84
Refused03/12/85
Grant
In force

The application was refused by the INPI on 03/12/1985. The invention was never patented.

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Latest action published by the INPI: 03/12/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Apel-Aplicações Eletrônicas Ltda.

Inventors

J. A. (pessoa física)

Technical data

IPC Classification

H04B 3/00 H04H 20/81 H04M 11/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

03/12/1985

RPI 751

Solicitação de exame técnico

#4.1

08/21/1984

RPI 722

Publicação do pedido de patente

#3.1

09/28/1982

RPI 623

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