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Official data from INPI

PROCESSO DE CONTROLE DAS EMPILHADEIRAS OU DESEMPILHADEIRAS DE FINOS GRANULADOS

IndeferidaInvention Patent

Application data

Number

PI8401172

Type

Invention Patent

Filing

03/14/1984

Publication

10/29/1985

Progress at the INPI

Under appeal
  1. Filing03/14/84
  2. Publication10/29/85
  3. Examination09/01/87
  4. Refused12/12/89
  5. Grant
  6. In force

The application was refused by the INPI on 12/12/1989. The invention was never patented.

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

Applicants and inventors

Applicants

Usinas Siderúrgicas de Minas Gerais S/A - USIMINAS

MG, BR

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Inventors

A. B. (pessoa física)

BR

J. C. (pessoa física)

S. D. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

12/12/1989

RPI 999

Conhecimento de parecer técnico

#7.1

04/25/1989

RPI 966

Solicitação de exame técnico

#4.1

09/01/1987

RPI 880

Publicação do pedido de patente

#3.1

10/29/1985

RPI 784

Pedido de patente depositado

#2.1

05/29/1984

RPI 710

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