(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

ADAPTADOR DE CASSETE

ConcedidaInvention Patent

Application data

Number

PI8205112

Type

Invention Patent

Filing

09/03/1981

Publication

08/09/1983

Progress at the INPI

  1. Filing09/03/81
  2. Publication08/09/83
  3. Examination08/13/85
  4. Allowance12/16/86
  5. Grant07/28/87
  6. Terminated01/03/95

The patent was granted on 07/28/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SONY CORP [JP]

See this company's full portfolio

Inventors

H. M. (pessoa física)

Y. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/28/1987

RPI 875

Notificação para pagamento de retribuição

#13.1

05/05/1987

RPI 863

Deferimento

#9.1

12/16/1986

RPI 843

Solicitação de exame técnico

#4.1

08/13/1985

RPI 773

Publicação do pedido de patente

#3.1

08/09/1983

RPI 668

Pedido de patente depositado

#2.1

10/19/1982

RPI 626

Anuidade - prazo legal encerrado

#18.2

01/03/1995

RPI 1257

Related

Same category

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.