Official data from INPI

MULTIPLEXADOR TDM DE 2 CANAIS - MS-2

PublicadaInvention Patent

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Application data

Number

PI8704977

Type

Invention Patent

Filing

09/28/1987

Publication

04/04/1989

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Progress at the INPI

Under appeal

Filing09/28/87
Publication04/04/89
Examination10/30/90
Refused08/18/92
Grant
In force

The application was refused by the INPI on 08/18/1992. The invention was never patented.

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Latest action published by the INPI: 04/04/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. A. (pessoa física)

RJ, BR

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Inventors

E. M. (pessoa física)

R. R. (pessoa física)

Technical data

IPC Classification

H04J 3/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

04/04/1989

RPI 963

Pedido de patente depositado

#2.1

03/08/1988

RPI 907

Indeferimento

#9.2

08/18/1992

RPI 1133

Solicitação de exame técnico

#4.1

10/30/1990

RPI 1039

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