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Official data from INPI

SOLUCAO PARA TRATAMENTO E PRESERVACAO DE MADEIRAS

Em AnáliseInvention Patent
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Application data

Number

PI7803677

Type

Invention Patent

Filing

12/02/1977

Publication

-
View on INPI

Progress at the INPI

Technical opinion to answer
  1. Filing12/02/77
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

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Latest action published by the INPI: 04/22/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

REICHHOLD CHEMICALS INC

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

04/22/1987

RPI 861

Conhecimento de parecer técnico

#7.1

04/16/1985

RPI 756

Exigência - art. 36 da LPI

#6.1

08/14/1984

RPI 721

6.2

12/01/1981

RPI 580

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