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Official data from INPI

COMPOSIÇÃO ADEQUADA PARA MISTURA COM GRÃOS REFRATÁRIOS PARA FAZER UMA FORMULAÇÃO MONOLÍTICA REFRATÁRIA, FORMULAÇÃO MONOLÍTICA REFRATÁRIA, BEM COMO CORPO VERDE

Arquivada/ExtintaInvention PatentPCT · GB1996000362
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Application data

Number

PI9607511

Type

Invention Patent

Filing

02/16/1996

Publication

12/30/1997

PCT

GB1996000362
View on INPI

Progress at the INPI

  1. Filing02/16/96
  2. Publication12/30/97
  3. Examination
  4. Allowance09/14/04
  5. Grant02/15/05
  6. Expired04/26/16

The letters patent expired on 04/26/2016: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 04/26/2016. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alcan International Limited

CA

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Inventors

F. A. (pessoa física)

GB

K. W. (pessoa física)

GB

Technical data

IPC Classification

C04B 35/63C04B 35/66

Priority claims

GB

9503093.8 · 02/17/1995

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 16/02/2016

04/26/2016

RPI 2364

Restauração da patente

#24.4

02/14/2012

RPI 2145

24.3

referente a 13ª,14ª e 15ª anuidades

07/12/2011

RPI 2114

Concessão da patente

#16.1

02/15/2005

RPI 1780

Deferimento

#9.1

09/14/2004

RPI 1758

Exigência - art. 36 da LPI

#6.1

03/30/2004

RPI 1734

Exigência - art. 36 da LPI

#6.1

09/23/2003

RPI 1707

Notificação de entrada na fase nacional - PCT

#1.3

12/30/1997

RPI 1410

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