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Official data from INPI

DISPOSITIVO PARA A TIRAGEM DE AMOSTRAS A PARTIR DA MASSA EM FUSÃO DE METAIS.

Arquivada/ExtintaInvention Patent

Application data

Number

PI9004524

Type

Invention Patent

Filing

09/11/1990

Publication

09/10/1991

Progress at the INPI

  1. Filing09/11/90
  2. Publication09/10/91
  3. Examination07/27/93
  4. Allowance12/27/94
  5. Grant07/25/95
  6. Expired06/01/10

The letters patent expired on 06/01/2010: 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: 06/01/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Electro-Nite International N.V

BE

Inventors

C. B. (pessoa física)

BE

Technical data

IPC Classification

Priority claims

DE

G 89 10 869 · 09/12/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 11/09/2005

06/01/2010

RPI 2056

Concessão da patente

#16.1

07/25/1995

RPI 1286

Notificação para pagamento de retribuição

#13.1

05/09/1995

RPI 1275

Deferimento

#9.1

12/27/1994

RPI 1256

Solicitação de exame técnico

#4.1

07/27/1993

RPI 1182

Publicação do pedido de patente

#3.1

09/10/1991

RPI 1084

Pedido de patente depositado

#2.1

03/19/1991

RPI 1059

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