Official data from INPI

SISTEMA DE INTERCEPTACAO DE CHAMADAS TELEFONICAS

Em AnáliseInvention Patent

Talk to an expert

Application data

Number

PI7905542

Type

Invention Patent

Filing

08/29/1979

Publication

View on INPI

Progress at the INPI

Filing08/29/79
Publication
Examination
Allowance01/11/83
Grant09/06/83
In force08/29/99

The patent was granted on 09/06/1983 and is in force until 08/29/1999. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:08/29/1999

Latest action published by the INPI: 11/05/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SAO PAULO TELECOM TELESP SA

Inventors

B. N. (pessoa física)

G. M. (pessoa física)

H. N. (pessoa física)

Technical data

IPC Classification

H04M 1/64

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

311

11/05/1985

RPI 785

300

09/10/1985

RPI 777

201

04/02/1985

RPI 754

Pedido de licença voluntária

#17.1

08/21/1984

RPI 722

Concessão da patente

#16.1

09/06/1983

RPI 672

Notificação para pagamento de retribuição

#13.1

05/24/1983

RPI 657

Deferimento

#9.1

01/11/1983

RPI 638

Exigência - art. 36 da LPI

#6.1

07/13/1982

RPI 612

From the same holder

DESPERTADOR SEMI-AUTOMATICO EQUIPAMENTO DE TESTE DE CIRCUITOS DE TELECOMUNICACOES EQUIPAMENTO PARA TESTE DE CAPSULAS TELEFONICAS UNIDADE DISCRIMINADORA DIGITAL(UDD-101)

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.