Official data from INPI

UNIDADE DE COMUTAÇÃO E SUPERVISÃO UCS-422.

PublicadaInvention Patent

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Application data

Number

PI8800543

Type

Invention Patent

Filing

02/10/1988

Publication

09/12/1989

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Progress at the INPI

Under appeal

Filing02/10/88
Publication09/12/89
Examination01/08/91
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: 09/12/1989. 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 3/08 H04J 3/14

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

09/12/1989

RPI 986

Pedido de patente depositado

#2.1

05/24/1988

RPI 918

Republicação - classificação IPC

#15.11

12/22/2009

RPI 2033

Indeferimento

#9.2

01/19/1993

RPI 1155

Solicitação de exame técnico

#4.1

01/08/1991

RPI 1049

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