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Official data from INPI

PRÉ-INTUMESCIMENTO E GRAVAÇÃO DE PLÁSTICOS PARA REVESTIMENTO

Em AnáliseInvention PatentPCT · US1989004738
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Application data

Number

PI8907752

Type

Invention Patent

Filing

10/20/1989

Publication

08/20/1991

PCT

US1989004738
View on INPI

Progress at the INPI

  1. Filing10/20/89
  2. Publication08/20/91
  3. Examination06/01/93
  4. Allowance
  5. Grant
  6. In force

Published on 08/20/1991, 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: 10/08/1996. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J. L. (pessoa física)

US

Inventors

D. B. (pessoa física)

G. P. (pessoa física)

R. B. (pessoa física)

Technical data

IPC Classification

C23C 18/22

Priority claims

US

268.154 · 11/07/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

10/08/1996

RPI 1349

Solicitação de exame técnico

#4.1

06/01/1993

RPI 1174

4.2.2

06/01/1993

RPI 1174

Solicitação de exame não realizada

#4.2

09/22/1992

RPI 1138

Notificação de entrada na fase nacional - PCT

#1.3

08/20/1991

RPI 1081

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