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Official data from INPI

FOLHAS MULTI-CAMADAS REVESTÍVEIS A QUENTE E PROCESSO PARA SUA PREPARAÇÃO

Prazo de SigiloInvention Patent
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Application data

Number

PI8903480

Type

Invention Patent

Filing

07/14/1989

Publication

03/06/1990
View on INPI

Progress at the INPI

  1. Filing07/14/89
  2. Publication03/06/90
  3. Examination05/12/92
  4. Allowance
  5. Grant
  6. In force

Published on 03/06/1990, 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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. A. (pessoa física)

DE

Inventors

I. S. (pessoa física)

DE

R. K. (pessoa física)

U. R. (pessoa física)

DE

Technical data

IPC Classification

B32B 27/08B32B 27/16B32B 27/18B32B 27/32

Priority claims

DE

P3824286.9 · 07/16/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

10/31/1989

RPI 993

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: B32B 27/32; B32B 31/20; B32B 31/00.

03/27/2018

RPI 2464

Retificação

#15.3

10/03/1995

RPI 1296

Solicitação de exame técnico

#4.1

05/12/1992

RPI 1119

Publicação do pedido de patente

#3.1

03/06/1990

RPI 1008

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