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Official data from INPI

COMPOSIÇÃO DE ENCOLAMENTO INTERNO E PROCESSO PARA A SUA PREPARAÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8703139

Type

Invention Patent

Filing

06/22/1987

Publication

03/08/1988

Progress at the INPI

  1. Filing06/22/87
  2. Publication03/08/88
  3. Examination08/16/88
  4. Allowance
  5. Grant
  6. In force

Published on 03/08/1988, 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: 08/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Reichhold Chemical, Inc

US

Inventors

G. I. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/16/1988

RPI 930

Publicação do pedido de patente

#3.1

03/08/1988

RPI 907

Pedido de patente depositado

#2.1

09/01/1987

RPI 880

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: D21H 3/08; D21H 19/10; D21H 19/20.

03/27/2018

RPI 2464

Retificação

#15.3

05/25/1993

RPI 1173

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