Official data from INPI

COMPACTADOR/DESCOMPACTADOR DE DADOS COM MULTIPLEXAÇÃO DE CANAIS DE COMUNICAÇÃO

Em AnáliseInvention Patent

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Application data

Number

PI8803065

Type

Invention Patent

Filing

06/16/1988

Publication

02/14/1989

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Progress at the INPI

Filing06/16/88
Publication02/14/89
Examination07/04/89
Refused10/30/90
Grant
In force

The application was refused on 10/30/1990 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

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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

Compusoft Desenvolvimento de Sistemas Ltda/Me

SC, BR

Inventors

N. F. (pessoa física)

P. G. (pessoa física)

Technical data

IPC Classification

H03M 7/30

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/04/1989

RPI 976

Publicação antecipada

#3.2

02/14/1989

RPI 956

Pedido de patente depositado

#2.1

11/16/1988

RPI 943

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: H03M 7/30; H04L 11/00.

03/27/2018

RPI 2464

111

10/30/1990

RPI 1039

Petição de recurso

#12.2

09/25/1990

RPI 1034

15.15

06/26/1990

RPI 1024

Indeferimento

#9.2

03/13/1990

RPI 1009

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