Official data from INPI

ADAPTADOR DE ENTRADA PARA A INTERLIGACAO DE CENTRAIS TELEFONICAS INTERURBANAS A EQUIPAMENTOS DE MULTIPLEXACAO TELEFONICA

Em AnáliseInvention Patent

Talk to an expert

Application data

Number

PI7705132

Type

Invention Patent

Filing

08/04/1977

Publication

View on INPI

Progress at the INPI

Filing08/04/77
Publication
Examination
Allowance07/05/83
Grant02/28/84
Terminated07/12/88

The patent was granted on 02/28/1984 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. S. (pessoa física)

Inventors

H. S. (pessoa física)

Technical data

IPC Classification

H04B 3/02 H04M 7/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

02/28/1984

RPI 697

Notificação para pagamento de retribuição

#13.1

11/08/1983

RPI 681

Deferimento

#9.1

07/05/1983

RPI 663

14.1

02/16/1983

RPI 643

Exigência - art. 36 da LPI

#6.1

11/17/1981

RPI 578

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.