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Official data from INPI

PROCESSO DE PRESERVACAO DE MADEIRA POR TRATAMENTO COM SOLUCAO PADRAO

Em AnáliseInvention Patent

Application data

Number

PI8502120

Type

Invention Patent

Filing

07/30/1984

Publication

05/06/1986

Progress at the INPI

  1. Filing07/30/84
  2. Publication05/06/86
  3. Examination09/09/86
  4. Allowance
  5. Grant
  6. In force

Published on 05/06/1986, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 09/09/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NORTHERN TELECOM LTD [CA]

Inventors

T. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/09/1986

RPI 829

Publicação do pedido de patente

#3.1

05/06/1986

RPI 811

Pedido de patente depositado

#2.1

07/23/1985

RPI 770

Retificação

#15.3

05/28/1991

RPI 1069

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