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Official data from INPI

PROCESSO PARA MODIFICAÇÃO QUÍMICA DA SUPERFÍCIE DE MASSAS DE POLIURETANO, RESPECTIVAS MASSAS, APLICAÇÃO DO DITO PROCESSO E APLICAÇÃO DAS MASSAS.

Em AnáliseInvention Patent

Application data

Number

PI8701347

Type

Invention Patent

Filing

03/25/1987

Publication

12/29/1987

Progress at the INPI

  1. Filing03/25/87
  2. Publication12/29/87
  3. Examination07/12/88
  4. Allowance
  5. Grant
  6. In force

Published on 12/29/1987, 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Gurit-Essex AG.

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Inventors

W. S. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

1196/86-7 · 03/25/1986

DE

P 36/8 405.5 · 05/31/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/12/1988

RPI 925

Publicação do pedido de patente

#3.1

12/29/1987

RPI 897

Pedido de patente depositado

#2.1

07/07/1987

RPI 872

Retificação

#15.3

10/23/1990

RPI 1038

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