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Official data from INPI

PROCESSO PARA PRODUÇÃO DE UM MATERIAL REFRATÁRIO, MATERIAIS REFRATÁRIOS RESISTENTES À CORROSÃO; E MISTURA ADEQUADA PARA SER MOLDADA E QUEIMADA PARA FORMAR UM MATERIAL REFRATÁRIO

PublicadaInvention Patent
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Application data

Number

PI8806224

Type

Invention Patent

Filing

11/25/1988

Publication

08/15/1989
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Progress at the INPI

  1. Filing11/25/88
  2. Publication08/15/89
  3. Abandoned07/16/91
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 08/15/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alcan International Limited

CA

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Inventors

C. A. (pessoa física)

CA

Technical data

IPC Classification

C04B 111/00C04B 33/132C04B 33/20C04B 33/30C04B 35/18C04B 35/622C04B 35/626C04B 35/63C04B 35/66

Priority claims

CA

552.914 · 11/26/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

08/15/1989

RPI 982

Pedido de patente depositado

#2.1

04/04/1989

RPI 963

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era C04B 35/68.

03/27/2018

RPI 2464

Arquivamento - Art. 36 §1° da LPI

#11.2

04/23/1996

RPI 1325

Republicação - classificação IPC

#15.11

04/23/1996

RPI 1325

Exigência - art. 36 da LPI

#6.1

09/05/1995

RPI 1292

Solicitação de exame técnico

#4.1

07/16/1991

RPI 1076

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