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Official data from INPI

PROCESSO PARA ALIMENTAR METAL LÍQUIDO E MÁQUINA DE FUNDIÇÃO CONTÍNUA DE METAL EM TIRAS PARA A REALIZAÇÃO DO PROCESSO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9100658

Type

Invention Patent

Filing

02/19/1991

Publication

10/29/1991

Progress at the INPI

  1. Filing02/19/91
  2. Publication10/29/91
  3. Examination12/28/93
  4. Allowance06/16/98
  5. Grant12/29/98
  6. Expired05/28/13

The letters patent expired on 05/28/2013: 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: 05/28/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Lauener Engineering Ltd

US

P. R. (pessoa física)

FR

Inventors

B. F. (pessoa física)

CH

R. R. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

00528/90 · 02/19/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 19/02/2011

05/28/2013

RPI 2212

Concessão da patente

#16.1

12/29/1998

RPI 1460

Deferimento

#9.1

06/16/1998

RPI 1434

Transferência deferida

#25.1

08/26/1997

RPI 1395

6.2

03/26/1996

RPI 1321

Solicitação de exame técnico

#4.1

12/28/1993

RPI 1204

Publicação do pedido de patente

#3.1

10/29/1991

RPI 1091

Pedido de patente depositado

#2.1

08/27/1991

RPI 1082

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