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Official data from INPI

APARELHO PARA MOVER UM DISCO FLEXIVEL PARA GRAVAR E/OU REPRODUZIR INFORMACAO SOBRE O DISCO FLEXIVEL

ConcedidaInvention Patent

Application data

Number

PI8108548

Type

Invention Patent

Filing

12/31/1980

Publication

10/19/1982

Progress at the INPI

  1. Filing12/31/80
  2. Publication10/19/82
  3. Examination01/02/85
  4. Allowance08/18/87
  5. Grant04/26/88
  6. Terminated11/08/94

The patent was granted on 04/26/1988 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: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SONY CORP [JP]

See this company's full portfolio

Inventors

E. S. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/26/1988

RPI 914

Notificação para pagamento de retribuição

#13.1

12/15/1987

RPI 895

Deferimento

#9.1

08/18/1987

RPI 878

11.8

06/09/1987

RPI 868

Retificação

#15.3

02/17/1987

RPI 852

Exigência - art. 36 da LPI

#6.1

08/13/1985

RPI 773

Solicitação de exame técnico

#4.1

01/02/1985

RPI 741

Publicação do pedido de patente

#3.1

10/19/1982

RPI 626

Pedido de patente depositado

#2.1

02/24/1982

RPI 592

Anuidade - prazo legal encerrado

#18.2

11/08/1994

RPI 1249

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