Official data from INPI

SISTEMA DE CUSTOS DE TELECOMUNICACOES

Em AnáliseInvention Patent

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Application data

Number

PI8501504

Type

Invention Patent

Filing

04/01/1985

Publication

11/04/1986

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Progress at the INPI

Under appeal

Filing04/01/85
Publication11/04/86
Examination01/21/87
Refused03/06/90
Grant
In force

The application was refused by the INPI on 03/06/1990. The invention was never patented.

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Latest action published by the INPI: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. C. (pessoa física)

Inventors

C. [. (pessoa física)

Technical data

IPC Classification

H04M 15/12

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Conhecimento de parecer técnico

#7.1

08/29/1989

RPI 984

Solicitação de exame técnico

#4.1

01/21/1987

RPI 848

Publicação do pedido de patente

#3.1

11/04/1986

RPI 837

Pedido de patente depositado

#2.1

06/25/1985

RPI 766

Republicação - classificação IPC

#15.11

05/28/1991

RPI 1069

Indeferimento

#9.2

03/06/1990

RPI 1008

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