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Official data from INPI

LAMELA PARA CASSETE DE FITA MAGNÉTICA

PublicadaInvention Patent

Application data

Number

PI8706544

Type

Invention Patent

Filing

12/03/1987

Publication

07/12/1988

Progress at the INPI

  1. Filing12/03/87
  2. Publication07/12/88
  3. Examination12/04/90
  4. Allowance09/06/94
  5. Grant04/25/95
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A.T.B. S.p.A

IT

Inventors

A. B. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

22582 A/86 · 12/04/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

07/12/1988

RPI 925

Pedido de patente depositado

#2.1

03/01/1988

RPI 906

Carta-patente expirada

#21.1

Patente extinta em 03/12/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

04/25/1995

RPI 1273

Notificação para pagamento de retribuição

#13.1

01/10/1995

RPI 1258

Deferimento

#9.1

09/06/1994

RPI 1240

Exigência - art. 36 da LPI

#6.1

11/30/1993

RPI 1200

Solicitação de exame técnico

#4.1

12/04/1990

RPI 1044

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