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Official data from INPI

Processo para obtenção de fio de liga metálica amorfa e dispositivo empregado no referido processo.

Arquivada/ExtintaInvention Patent

Application data

Number

PI8904774

Type

Invention Patent

Filing

09/21/1989

Publication

05/01/1990

Progress at the INPI

  1. Filing09/21/89
  2. Publication05/01/90
  3. Examination04/07/92
  4. Allowance09/02/97
  5. Grant07/28/98
  6. Expired12/26/12

The letters patent expired on 12/26/2012: 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: 12/26/2012. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Compagnie Generale Des Etablissements Michelin - Michelin Et Cie

FR

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Inventors

D. B. (pessoa física)

FR

G. D. (pessoa física)

FR

G. J. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

88/12423 · 09/21/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 21/09/2009

12/26/2012

RPI 2190

Concessão da patente

#16.1

07/28/1998

RPI 1440

Deferimento

#9.1

09/02/1997

RPI 1396

Exigência - art. 36 da LPI

#6.1

12/31/1996

RPI 1361

6.2

03/19/1996

RPI 1320

Solicitação de exame técnico

#4.1

04/07/1992

RPI 1114

Publicação do pedido de patente

#3.1

05/01/1990

RPI 1016

Pedido de patente depositado

#2.1

03/13/1990

RPI 1009

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