Official data from INPI

CIRCUITO DE TRATAMENTO DE DADOS E APARELHO TELEFONICO

ConcedidaInvention Patent

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Application data

Number

PI8002715

Type

Invention Patent

Filing

05/04/1979

Publication

12/16/1980

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Progress at the INPI

Filing05/04/79
Publication12/16/80
Examination07/13/82
Allowance07/19/83
Grant01/31/84
Terminated09/25/90

The patent was granted on 01/31/1984 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: 01/31/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GEN ELECTRIC CO LTD

Inventors

S. R. (pessoa física)

Technical data

IPC Classification

H04M 1/24 H04M 3/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

01/31/1984

RPI 693

Notificação para pagamento de retribuição

#13.1

11/16/1983

RPI 682

Deferimento

#9.1

07/19/1983

RPI 665

Exigência - art. 36 da LPI

#6.1

02/08/1983

RPI 642

Solicitação de exame técnico

#4.1

07/13/1982

RPI 612

Publicação do pedido de patente

#3.1

12/16/1980

RPI 530

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

Licença compulsória (variante)

#20.2

08/14/1990

RPI 1028

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