Official data from INPI

CONCENTRADOR MULTICOMPARTILHADOR DE TERMINAIS TELEFÔNICOS

Em AnáliseInvention Patent

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Application data

Number

PI8202335

Type

Invention Patent

Filing

04/23/1982

Publication

11/29/1983

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Progress at the INPI

Filing04/23/82
Publication11/29/83
Examination06/19/84
Refused03/10/87
Grant
In force

The application was refused on 03/10/1987 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: 03/10/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Comércio e Indústria Induco S/A

RJ, BR

Inventors

A. M. (pessoa física)

L. F. (pessoa física)

Technical data

IPC Classification

H04M 13/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

03/10/1987

RPI 855

Indeferimento

#9.2

09/24/1985

RPI 779

Republicação - classificação IPC

#15.11

05/14/1985

RPI 760

Conhecimento de parecer técnico

#7.1

02/12/1985

RPI 747

Solicitação de exame técnico

#4.1

06/19/1984

RPI 713

Publicação do pedido de patente

#3.1

11/29/1983

RPI 684

Pedido de patente depositado

#2.1

06/15/1982

RPI 608

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DISPOSITIVO ELETRÔNICO PARA USO EM LINHA TELEFÔNICA.

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