Official data from INPI

RESPONDEDOR AUTOMATICO

Em AnáliseInvention Patent

Talk to an expert

Application data

Number

PI7708581

Type

Invention Patent

Filing

12/22/1977

Publication

View on INPI

Progress at the INPI

Filing12/22/77
Publication
Examination
Allowance
Grant03/30/82
Terminated12/15/87

The patent was granted on 03/30/1982 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TELERJ TELECOMUNICACOES RIO DE

Inventors

Q. M. (pessoa física)

Technical data

IPC Classification

H04M 1/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/15/1987

RPI 895

Concessão da patente

#16.1

03/30/1982

RPI 597

Notificação para pagamento de retribuição

#13.1

10/06/1981

RPI 572

From the same holder

ADAPTADOR PARA TARIFACAO E SUPERVISAO DE TELEFONES PUBLICOS,COM DDD NACIONAL,BASEADO EM MICROPROCESSADOR CIRCUITO DE SINALIZACAO PARA LONGA DISTANCIA INTERFACE DE ADAPTACAO DE TELEIMPRESSORAS BASTIDOR DISTRIBUIDOR DE ALARMES QUADRO VISUALIZADOR DE INFORMACOES

Same category

MICROFONE SEM FIO DOTADO DE CÂMARA DE RESSONÂNCIA.PI9917905 PI9917904 PI9917902 PI9917898 PI9917895 PI9917684 PI9917655

Explore category

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.