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Official data from INPI

PROCESSO PARA O TRATAMENTO DE MATERIAL CELULOSICO E PRODUTO PELO MESMO.

IndeferidaInvention Patent
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Application data

Number

PI7904730

Type

Invention Patent

Filing

07/25/1979

Publication

-
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Progress at the INPI

Under appeal
  1. Filing07/25/79
  2. Publication
  3. Examination
  4. Refused04/24/84
  5. Grant
  6. In force

The application was refused by the INPI on 04/24/1984. The invention was never patented.

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Latest action published by the INPI: 04/24/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. N. (pessoa física)

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

04/24/1984

RPI 705

Conhecimento de parecer técnico

#7.1

10/19/1982

RPI 626

6.2

03/30/1982

RPI 597

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