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Official data from INPI

ESTRUTURA RESISTENTE À IGNIÇÃO

Em AnáliseInvention PatentPCT · US1990001582

Application data

Number

PI9007297

Type

Invention Patent

Filing

03/20/1990

Publication

03/24/1992

PCT

US1990001582

Progress at the INPI

  1. Filing03/20/90
  2. Publication03/24/92
  3. Examination06/29/93
  4. Allowance
  5. Grant
  6. In force

Published on 03/24/1992, 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: 01/28/1997. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

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Inventors

D. H. (pessoa física)

US

F. J. (pessoa física)

US

V. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

337,912 · 04/14/1989

US

479,828 · 02/14/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

01/28/1997

RPI 1365

Solicitação de exame técnico

#4.1

06/29/1993

RPI 1178

Notificação de entrada na fase nacional - PCT

#1.3

03/24/1992

RPI 1112

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