Official data from INPI

CIRCUITO DE SINALIZACAO PARA LONGA DISTANCIA

ConcedidaInvention Patent

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Application data

Number

PI7900178

Type

Invention Patent

Filing

01/11/1979

Publication

View on INPI

Progress at the INPI

Filing01/11/79
Publication
Examination
Allowance11/30/82
Grant11/29/83
Terminated01/28/92

The patent was granted on 11/29/1983 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: 11/29/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TELERJ TELECOMUNICACOES RIO DE

Inventors

M. P. (pessoa física)

Technical data

IPC Classification

H04Q 1/30

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/29/1983

RPI 684

Notificação para pagamento de retribuição

#13.1

05/10/1983

RPI 655

Deferimento

#9.1

11/30/1982

RPI 632

Exigência - art. 36 da LPI

#6.1

06/01/1982

RPI 606

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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