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Official data from INPI

APARELHO PARA CONTINUAMENTE MOLDAR METAL FUNDIDO E PROCESSO PARA PRODUÇÃO DE LINGOTES DE METAL

Arquivada/ExtintaInvention Patent

Application data

Number

PI8906351

Type

Invention Patent

Filing

12/08/1989

Publication

08/21/1990

Progress at the INPI

  1. Filing12/08/89
  2. Publication08/21/90
  3. Examination03/16/93
  4. Allowance01/13/98
  5. Grant08/25/98
  6. Expired01/02/13

The letters patent expired on 01/02/2013: 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: 01/02/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alcan International Limited

CA

See this company's full portfolio

Inventors

F. M. (pessoa física)

DE

G. L. (pessoa física)

CA

Technical data

IPC Classification

Priority claims

CA

585.386 · 12/08/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 08/12/2009

01/02/2013

RPI 2191

Concessão da patente

#16.1

08/25/1998

RPI 1444

Deferimento

#9.1

01/13/1998

RPI 1412

Exigência - art. 36 da LPI

#6.1

01/30/1996

RPI 1313

Solicitação de exame técnico

#4.1

03/16/1993

RPI 1163

Publicação do pedido de patente

#3.1

08/21/1990

RPI 1029

Pedido de patente depositado

#2.1

03/20/1990

RPI 1010

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