Official data from INPI

EQUIPAMENTO DE CONTROLE DE IMPULSOS COM DEMONSTRADOR TARIFÁRIO PARA ACOPLAMENTO EM APARELHO TELEFÔNICO.

Em AnáliseInvention Patent

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Application data

Number

PI8705278

Type

Invention Patent

Filing

09/28/1987

Publication

04/25/1989

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Progress at the INPI

Under appeal

Filing09/28/87
Publication04/25/89
Examination12/05/89
Refused01/19/93
Grant
In force

The application was refused by the INPI on 01/19/1993. The invention was never patented.

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Latest action published by the INPI: 12/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ELMA TELECOMUNICAÇÕES S.A.

RJ, BR

Inventors

A. F. (pessoa física)

Technical data

IPC Classification

H04M 15/10

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/05/1989

RPI 998

14.1

09/05/1989

RPI 985

Publicação do pedido de patente

#3.1

04/25/1989

RPI 966

Pedido de patente depositado

#2.1

11/08/1988

RPI 942

Republicação - classificação IPC

#15.11

06/01/1993

RPI 1174

Indeferimento

#9.2

01/19/1993

RPI 1155

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