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Official data from INPI

DISPOSITIVO PARA ESTABELECER UMA VEDAÇÃO ENTRE AS PARTES DE BORDA DE DUAS PLACAS METÁLICAS QUE SÃO USADAS COMO BLINDAGENS CONTRA CAMPOS ELETROMAGNÉTICOS.

Em AnáliseInvention PatentPCT · SE1986000362

Application data

Number

PI8606867

Type

Invention Patent

Filing

08/12/1986

Publication

11/03/1987

PCT

SE1986000362

Progress at the INPI

  1. Filing08/12/86
  2. Publication11/03/87
  3. Examination04/11/89
  4. Allowance10/19/93
  5. Grant05/31/94
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 04/11/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. E. (pessoa física)

SE

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Inventors

U. N. (pessoa física)

SE

Technical data

IPC Classification

Priority claims

SE

8504257-0 · 09/13/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/11/1989

RPI 964

Notificação de entrada na fase nacional - PCT

#1.3

11/03/1987

RPI 889

Carta-patente expirada

#21.1

Patente extinta em 12/08/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

05/31/1994

RPI 1226

Deferimento

#9.1

10/19/1993

RPI 1194

Exigência - art. 36 da LPI

#6.1

06/08/1993

RPI 1175

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