Official data from INPI

BOCAL DE FUNDIÇÃO.

Em AnáliseInvention Patent

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Application data

Number

PI8704088

Type

Invention Patent

Filing

08/10/1987

Publication

02/21/1989

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Progress at the INPI

Under appeal

Filing08/10/87
Publication02/21/89
Examination10/24/89
Refused10/04/94
Grant
In force

The application was refused by the INPI on 10/04/1994. The invention was never patented.

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Latest action published by the INPI: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Toshiba Ceramics Co., Ltd

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Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/24/1989

RPI 992

Publicação do pedido de patente

#3.1

02/21/1989

RPI 957

Pedido de patente depositado

#2.1

11/10/1987

RPI 890

Indeferimento

#9.2

10/04/1994

RPI 1244

Conhecimento de parecer técnico

#7.1

11/30/1993

RPI 1200

From the same holder

REFRATÁRIO À BASE DE ALUMINA-CARBONO E PROCESSO DE FABRICAÇÃO DE UM REFRATÁRIO Bocal de fundição Bocal de fundição Bocal de fundição Bocal de fundição Bocal de fundição BOCAL DE FUNDIÇÃO BOCAL DE FUNDIÇÃO.

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