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Official data from INPI

MÉTODO PARA FAZER ARTIGOS COMPOSTOS QUE INCLUEM GEOMETRIA INTERNA COMPLEXA

Em AnáliseInvention PatentPCT · US1989001712

Application data

Number

PI8906924

Type

Invention Patent

Filing

04/20/1989

Publication

02/05/1991

PCT

US1989001712

Progress at the INPI

  1. Filing04/20/89
  2. Publication02/05/91
  3. Examination11/12/91
  4. Allowance
  5. Grant
  6. In force

Published on 02/05/1991, 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: 11/21/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

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Inventors

A. P. (pessoa física)

US

J. J. (pessoa física)

US

S. J. (pessoa física)

US

Technical data

Priority claims

US

185.678 · 04/25/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

11/21/1995

RPI 1303

Solicitação de exame técnico

#4.1

11/12/1991

RPI 1093

Notificação de entrada na fase nacional - PCT

#1.3

02/05/1991

RPI 1053

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