Official data from INPI

GERADOR DE SOM ELETRODINÂMICO PARA AUDIOFONE

ArquivadaInvention PatentPCT · NO1990000111

Talk to an expert

Application data

Number

PI9007508

Type

Invention Patent

Filing

07/05/1990

Publication

05/19/1992

PCT

NO1990000111

View on INPI

Progress at the INPI

Filing07/05/90
Publication05/19/92
Abandoned
Allowance
Grant
In force

The application was abandoned: examination was not requested within the 36 months following the 07/05/1990 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/05/1994. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NHA A/S

Inventors

A. K. (pessoa física)

B. S. (pessoa física)

J. S. (pessoa física)

Technical data

IPC Classification

H04R 25/00

Priority claims

89.2811 · 07/06/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

07/05/1994

RPI 1231

Notificação de entrada na fase nacional - PCT

#1.3

05/19/1992

RPI 1120

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.