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Official data from INPI

EXTRACAO CONTINUA DE MAGNESIO, DE OXIDOS DE MAGNESIO

IndeferidaInvention Patent
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Application data

Number

PI7906851

Type

Invention Patent

Filing

10/23/1979

Publication

-
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Progress at the INPI

Under appeal
  1. Filing10/23/79
  2. Publication
  3. Examination07/19/83
  4. Refused02/04/86
  5. Grant
  6. In force

The application was refused by the INPI on 02/04/1986. The invention was never patented.

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Latest action published by the INPI: 02/04/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. S. (pessoa física)

L. A. (pessoa física)

Inventors

Z. S. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

02/04/1986

RPI 798

Exigência - art. 36 da LPI

#6.1

02/07/1984

RPI 694

Solicitação de exame técnico

#4.1

07/19/1983

RPI 665

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