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Official data from INPI

MÉTODO PARA O PRÉ-AQUECIMENTO DE SUCATA E USINA PARA IMPLEMENTAÇÃO DESSE MÉTODO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9004838

Type

Invention Patent

Filing

09/26/1990

Publication

11/19/1991

Progress at the INPI

  1. Filing09/26/90
  2. Publication11/19/91
  3. Examination11/16/93
  4. Allowance05/31/94
  5. Grant01/31/95
  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

Blufin S.r.l

IT

Inventors

R. S. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

2920A/90 · 04/09/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 26/09/2005

06/01/2010

RPI 2056

16.3

Referência: RPI 1261 de 31/05/1995 - ítem apostilamento

05/18/1999

RPI 1480

Concessão da patente

#16.1

01/31/1995

RPI 1261

Notificação para pagamento de retribuição

#13.1

10/04/1994

RPI 1244

Deferimento

#9.1

05/31/1994

RPI 1226

Solicitação de exame técnico

#4.1

11/16/1993

RPI 1198

Publicação do pedido de patente

#3.1

11/19/1991

RPI 1094

Pedido de patente depositado

#2.1

04/02/1991

RPI 1061

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