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Official data from INPI

FABRICAÇÃO DE TIJOLOS CERÂMICOS

Arquivada/ExtintaInvention Patent
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Application data

Number

PI9000016

Type

Invention Patent

Filing

01/03/1990

Publication

10/09/1990
View on INPI

Progress at the INPI

  1. Filing01/03/90
  2. Publication10/09/90
  3. Examination01/29/91
  4. Allowance03/08/00
  5. Grant07/11/00
  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.

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Latest action published by the INPI: 01/02/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

IAB-Indústria de Aditivos do Brasil S/A

RJ, BR

Lubrizol do Brasil Aditivos Ltda

RJ, BR

Inventors

F. J. (pessoa física)

BR

Technical data

IPC Classification

C04B 18/00C04B 18/04C04B 32/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 11/07/2010

01/02/2013

RPI 2191

Concessão da patente

#16.1

07/11/2000

RPI 1540

Deferimento

#9.1

03/08/2000

RPI 1522

Exigência - art. 36 da LPI

#6.1

08/17/1999

RPI 1493

Exigência - art. 36 da LPI

#6.1

12/15/1998

RPI 1458

Exigência - art. 36 da LPI

#6.1

07/21/1998

RPI 1439

Exigência - art. 36 da LPI

#6.1

09/09/1997

RPI 1397

14.4

06/22/1993

RPI 1177

Solicitação de exame técnico

#4.1

01/29/1991

RPI 1052

Publicação do pedido de patente

#3.1

10/09/1990

RPI 1036

Pedido de patente depositado

#2.1

05/15/1990

RPI 1018

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