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Official data from INPI

APARELHO DE CARREGAR CASSETE DE DISCO E CASSETE DE DISCO FLEXÍVEL

ConcedidaInvention Patent

Application data

Number

PI8303674

Type

Invention Patent

Filing

07/08/1983

Publication

06/12/1984

Progress at the INPI

  1. Filing07/08/83
  2. Publication06/12/84
  3. Examination08/05/86
  4. Allowance12/06/88
  5. Grant08/29/89
  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: 08/29/1989. 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

IPC Classification

Priority claims

JP

125376/82 · 07/19/1982

JP

125888/82 · 07/21/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

04/25/1989

RPI 966

Deferimento

#9.1

12/06/1988

RPI 946

6.2

09/15/1987

RPI 882

Solicitação de exame técnico

#4.1

08/05/1986

RPI 824

Publicação do pedido de patente

#3.1

06/12/1984

RPI 712

Pedido de patente depositado

#2.1

08/23/1983

RPI 670

Carta-patente expirada

#21.1

Patente extinta em 08/07/98

07/01/2008

RPI 1956

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