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Official data from INPI

SEPARADOR MAGNÉTICO DE ALTA INTENSIDADE TRABALHANDO A ÚMIDO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9006337

Type

Invention Patent

Filing

12/13/1990

Publication

09/24/1991

Progress at the INPI

  1. Filing12/13/90
  2. Publication09/24/91
  3. Examination12/28/93
  4. Allowance09/05/95
  5. Grant05/28/96
  6. Expired06/08/10

The letters patent expired on 06/08/2010: 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: 06/08/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F.C.B.

FR

Inventors

G. D. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

89/16880 · 12/20/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 13/12/2005

06/08/2010

RPI 2057

Concessão da patente

#16.1

05/28/1996

RPI 1330

Deferimento

#9.1

09/05/1995

RPI 1292

Solicitação de exame técnico

#4.1

12/28/1993

RPI 1204

Publicação do pedido de patente

#3.1

09/24/1991

RPI 1086

Pedido de patente depositado

#2.1

05/28/1991

RPI 1069

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