Official data from INPI

SISTEMA DIGITAL DE IDENTIFICAÇÃO E TESTE DE LINHA DE UMA LIGAÇÃO TELEFÔNICA

IndeferidaInvention Patent

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Application data

Number

PI8905134

Type

Invention Patent

Filing

10/04/1989

Publication

04/09/1991

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Progress at the INPI

Under appeal

Filing10/04/89
Publication04/09/91
Examination08/06/91
Refused11/26/96
Grant
In force

The application was refused by the INPI on 11/26/1996. The invention was never patented.

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Latest action published by the INPI: 11/26/1996. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

V D O Comercial Ltda

SP, BR

VDO Kienzle Instrumentos Ltda

SP, BR

Inventors

J. D. (pessoa física)

Technical data

IPC Classification

H04M 1/57

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

11/26/1996

RPI 1356

Conhecimento de parecer técnico

#7.1

04/26/1994

RPI 1221

14.4

06/29/1993

RPI 1178

Solicitação de exame técnico

#4.1

08/06/1991

RPI 1079

Publicação do pedido de patente

#3.1

04/09/1991

RPI 1062

Pedido de patente depositado

#2.1

03/06/1990

RPI 1008

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