Official data from INPI

EQUIPAMENTO GERADOR DE SINAL DE ADVERTÊNCIA PARA LINHA TELEFÔNICA OCUPADA.

IndeferidaInvention Patent

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Application data

Number

PI8102780

Type

Invention Patent

Filing

04/30/1981

Publication

12/14/1982

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Progress at the INPI

Under appeal

Filing04/30/81
Publication12/14/82
Examination02/05/85
Refused12/16/86
Grant
In force

The application was refused by the INPI on 12/16/1986. The invention was never patented.

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Latest action published by the INPI: 12/16/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Embracelt Empresa Brasileira de Comercialização de Equipamentos e Linhas Telefônicas Ltda.

Telemática-Telecomunicações, Eletrônica e Informática Ltda.

Inventors

O. D. (pessoa física)

Technical data

IPC Classification

H04M 3/20

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

12/16/1986

RPI 843

Conhecimento de parecer técnico

#7.1

08/13/1985

RPI 773

Solicitação de exame técnico

#4.1

02/05/1985

RPI 746

Publicação do pedido de patente

#3.1

12/14/1982

RPI 634

From the same holder

BASTIDOR PROGRAMÁVEL DE CATEGORIAS.

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