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Official data from INPI

PROCESSO PARA DESPRENDIMENTO DE PULVERIZAÇÃO EXCESSIVA

Em AnáliseInvention PatentPCT · US1988001944

Application data

Number

PI8807566

Type

Invention Patent

Filing

06/08/1988

Publication

04/10/1990

PCT

US1988001944

Progress at the INPI

  1. Filing06/08/88
  2. Publication04/10/90
  3. Examination05/07/91
  4. Allowance
  5. Grant
  6. In force

Published on 04/10/1990, 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: 09/26/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NL Chemicals, Inc

US

Rheox International, Inc.

US

Inventors

A. S. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 3719929.3 · 06/15/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

09/26/1995

RPI 1295

14.1

10/06/1992

RPI 1140

14.4

09/29/1992

RPI 1139

Solicitação de exame técnico

#4.1

05/07/1991

RPI 1066

Notificação de entrada na fase nacional - PCT

#1.3

04/10/1990

RPI 1013

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