Official data from INPI

SISTEMA DE PROCESSAMENTO DE SINAIS DE VIDEO

ConcedidaInvention Patent

Talk to an expert

Application data

Number

PI7902160

Type

Invention Patent

Filing

05/25/1978

Publication

View on INPI

Progress at the INPI

Filing05/25/78
Publication
Examination01/05/82
Allowance07/27/82
Grant03/29/83
Expired06/21/94

The letters patent expired on 06/21/1994: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 03/29/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SONY CORP

See this company's full portfolio

Inventors

T. M. (pessoa física)

Technical data

IPC Classification

H04N 5/06

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/29/1983

RPI 649

Notificação para pagamento de retribuição

#13.1

12/14/1982

RPI 634

Deferimento

#9.1

07/27/1982

RPI 614

Solicitação de exame técnico

#4.1

01/05/1982

RPI 585

Carta-patente expirada

#21.1

06/21/1994

RPI 1229

From the same holder

SEM TITULO SEM TITULO SEM TITULO SEM TITULO SEM TITULO SEM TITULO SEM TITULO SEM TITULO

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.