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Official data from INPI

APARELHO PARA EXTRUSÃO E CONFORMAÇÃO DE PREFORMAS A PARTIR DE UM MATERIAL SUSCETÍVEL DE ESCOAMENTO PLÁSTICO

PublicadaInvention Patent

Application data

Number

PI8803523

Type

Invention Patent

Filing

07/13/1988

Publication

02/08/1989

Progress at the INPI

  1. Filing07/13/88
  2. Publication02/08/89
  3. Examination04/23/91
  4. Allowance
  5. Grant
  6. In force

Published on 02/08/1989, 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: 02/08/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Barwell International Limited, companhia britânica

GB

Inventors

P. B. (pessoa física)

GB

R. C. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

87 16589 · 07/14/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

02/08/1989

RPI 955

Pedido de patente depositado

#2.1

12/20/1988

RPI 948

Retificação

#15.3

10/03/1995

RPI 1296

Solicitação de exame técnico

#4.1

04/23/1991

RPI 1064

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