Official data from INPI

MICROFONE DOTADO DE UM FONE DE OUVIDO

Em AnáliseInvention PatentPCT · JP1987000856

Talk to an expert

Application data

Number

PI8707936

Type

Invention Patent

Filing

11/05/1987

Publication

02/13/1990

PCT

JP1987000856

View on INPI

Progress at the INPI

Technical opinion to answer

Filing11/05/87
Publication02/13/90
Examination01/29/91
Allowance
Grant
In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

Latest action published by the INPI: 01/09/1996. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. M. (pessoa física)

Inventors

S. M. (pessoa física)

Technical data

IPC Classification

H04R 1/00 H04R 3/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

01/09/1996

RPI 1310

Conhecimento de parecer técnico

#7.1

03/14/1995

RPI 1267

Solicitação de exame técnico

#4.1

01/29/1991

RPI 1052

Notificação de entrada na fase nacional - PCT

#1.3

02/13/1990

RPI 1006

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.