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Official data from INPI

PROCESSO E DISPOSITIVO DE DETECÇÃO, POR CORRENTES DE FOUCAULT, DE DEFEITOS TÍPICOS NUM PRODUTO

Em AnáliseInvention Patent

Application data

Number

PI8506934

Type

Invention Patent

Filing

09/17/1985

Publication

12/23/1986

Progress at the INPI

  1. Filing09/17/85
  2. Publication12/23/86
  3. Examination04/19/88
  4. Allowance08/14/90
  5. Grant03/26/91
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 04/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Institut de Recherches de La Sidérurgie Française - IRSID

FR

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Inventors

J. M. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

84 14434 · 09/20/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/19/1988

RPI 913

Notificação de entrada na fase nacional - PCT

#1.3

12/23/1986

RPI 844

Carta-patente expirada

#21.1

Patente extinta em 17/09/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

03/26/1991

RPI 1060

Notificação para pagamento de retribuição

#13.1

11/27/1990

RPI 1043

Deferimento

#9.1

08/14/1990

RPI 1028

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