Official data from INPI

PROCESSO DE ENVELHECIMENTO DE PANELAS E UTENSÍLIOS DE FERRO FUNDIDO

Em AnáliseInvention Patent

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Application data

Number

PI8606255

Type

Invention Patent

Filing

12/11/1986

Publication

07/05/1988

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Progress at the INPI

Under appeal

Filing12/11/86
Publication07/05/88
Examination09/27/88
Refused03/16/93
Grant
In force

The application was refused by the INPI on 03/16/1993. The invention was never patented.

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Latest action published by the INPI: 02/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Metalúrgica Tia Benta Limitada

RS, BR

Inventors

P. T. (pessoa física)

Technical data

IPC Classification

C21D 1/50

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de certificado de adição de invenção

#5.1

02/21/1989

RPI 957

Solicitação de exame técnico

#4.1

09/27/1988

RPI 936

Publicação do pedido de patente

#3.1

07/05/1988

RPI 924

14.1

11/17/1987

RPI 891

Pedido de patente depositado

#2.1

04/28/1987

RPI 862

Indeferimento

#9.2

03/16/1993

RPI 1163

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