Official data from INPI

SISTEMA DE VIDEOTEX COMPREENDENDO UM CENTRO DE EMISSAO DE INFORMACAO E ESTACOES RECEPTORAS

ConcedidaInvention Patent

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Application data

Number

PI8006308

Type

Invention Patent

Filing

02/06/1979

Publication

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Progress at the INPI

Filing02/06/79
Publication
Examination
Allowance11/01/83
Grant04/24/84
Terminated08/02/94

The patent was granted on 04/24/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 04/24/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. T. (pessoa física)

T. F. (pessoa física)

Inventors

G. L. (pessoa física)

Technical data

IPC Classification

H04N 7/16

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/24/1984

RPI 705

Notificação para pagamento de retribuição

#13.1

02/14/1984

RPI 695

Deferimento

#9.1

11/01/1983

RPI 680

Exigência - art. 36 da LPI

#6.1

07/12/1983

RPI 664

Republicação - classificação IPC

#15.11

A classificação anterior era: H04N 7/16

06/05/2012

RPI 2161

Anuidade - prazo legal encerrado

#18.2

08/02/1994

RPI 1235

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