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Official data from INPI

TOCHA TIG

Em AnáliseUtility Model

Application data

Number

MU6701688

Type

Utility Model

Filing

08/25/1987

Publication

03/07/1989

Progress at the INPI

Under appeal
  1. Filing08/25/87
  2. Publication03/07/89
  3. Examination09/12/89
  4. Refused04/09/91
  5. Grant
  6. In force

The application was refused by the INPI on 04/09/1991. The invention was never patented.

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Latest action published by the INPI: 09/12/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Companhia Siderúrgica de Tubarão S/A - CST

ES, BR

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Inventors

L. O. (pessoa física)

BR

L. B. (pessoa física)

BR

T. V. (pessoa física)

BR

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/12/1989

RPI 986

Publicação do pedido de patente

#3.1

03/07/1989

RPI 959

Pedido de patente depositado

#2.1

12/15/1987

RPI 895

Indeferimento

#9.2

04/09/1991

RPI 1062

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