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Official data from INPI

ESTRUTURA DE ELEMENTO ELÁSTICO PARA O DISPOSITIVO DE ESPIGÕES DE RETENÇÃO DAS BOBINAS EM CASSETES DE FITA MAGNÉTICA

PublicadaInvention Patent

Application data

Number

PI8801660

Type

Invention Patent

Filing

04/07/1988

Publication

11/16/1988

Progress at the INPI

  1. Filing04/07/88
  2. Publication11/16/88
  3. Examination10/30/90
  4. Allowance11/07/95
  5. Grant07/30/96
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 11/16/1988. 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

20080 A/87 · 04/10/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/16/1988

RPI 943

Pedido de patente depositado

#2.1

08/16/1988

RPI 930

Carta-patente expirada

#21.1

Patente extinta em 07/04/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

07/30/1996

RPI 1339

Notificação para pagamento de retribuição

#13.1

03/19/1996

RPI 1320

Deferimento

#9.1

11/07/1995

RPI 1301

Exigência - art. 36 da LPI

#6.1

05/09/1995

RPI 1275

Solicitação de exame técnico

#4.1

10/30/1990

RPI 1039

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