Official data from INPI

CONTROLADOR DE EXTENSÃO

IndeferidaInvention Patent

Talk to an expert

Application data

Number

PI8903679

Type

Invention Patent

Filing

07/25/1989

Publication

01/29/1991

View on INPI

Progress at the INPI

Under appeal

Filing07/25/89
Publication01/29/91
Examination06/08/93
Refused03/14/95
Grant
In force

The application was refused by the INPI on 03/14/1995. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 03/14/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. S. (pessoa física)

SP, BR

Inventors

W. S. (pessoa física)

Technical data

IPC Classification

H04Q 5/24

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

03/14/1995

RPI 1267

Conhecimento de parecer técnico

#7.1

07/19/1994

RPI 1233

Solicitação de exame técnico

#4.1

06/08/1993

RPI 1175

14.2

06/18/1991

RPI 1072

Publicação do pedido de patente

#3.1

01/29/1991

RPI 1052

Pedido de patente depositado

#2.1

10/30/1990

RPI 1039

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.