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Official data from INPI

CARTUCHO DE DISCO MAGNÉTICO

ConcedidaInvention Patent

Application data

Number

PI8203494

Type

Invention Patent

Filing

06/15/1982

Publication

06/07/1983

Progress at the INPI

  1. Filing06/15/82
  2. Publication06/07/83
  3. Examination08/27/85
  4. Allowance10/13/87
  5. Grant05/31/88
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. C. (pessoa física)

JP

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Inventors

E. S. (pessoa física)

JP

Technical data

Priority claims

JP

88562/81 · 06/16/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

02/09/1988

RPI 903

Deferimento

#9.1

10/13/1987

RPI 886

Exigência - art. 36 da LPI

#6.1

02/17/1987

RPI 852

Solicitação de exame técnico

#4.1

08/27/1985

RPI 775

Publicação do pedido de patente

#3.1

06/07/1983

RPI 659

Pedido de patente depositado

#2.1

08/03/1982

RPI 615

Carta-patente expirada

#21.1

Patente extinta em 15/06/97

07/01/2008

RPI 1956

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