Official data from INPI

TARIFADOR DE CHAMADA TELEFONICA

IndeferidaInvention Patent

Talk to an expert

Application data

Number

PI8302020

Type

Invention Patent

Filing

04/07/1983

Publication

11/13/1984

View on INPI

Progress at the INPI

Under appeal

Filing04/07/83
Publication11/13/84
Examination04/02/85
Refused01/13/87
Grant
In force

The application was refused by the INPI on 01/13/1987. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 04/22/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BAHIA TELECOM TELEBAHIA SA [BR]

Inventors

R. G. (pessoa física)

S. C. (pessoa física)

Technical data

IPC Classification

H04M 15/06 H04M 15/20

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

04/22/1987

RPI 861

Indeferimento

#9.2

01/13/1987

RPI 847

Conhecimento de parecer técnico

#7.1

05/20/1986

RPI 813

Pedido de certificado de adição de invenção

#5.1

09/03/1985

RPI 776

Solicitação de exame técnico

#4.1

04/02/1985

RPI 754

Publicação do pedido de patente

#3.1

11/13/1984

RPI 734

Pedido de patente depositado

#2.1

06/07/1983

RPI 659

From the same holder

DISTRIBUIDOR GERAL PARA CENTRAIS DE PEQUENO PORTE CENTRAL TELEFONICA COMUNITARIA

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.