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Official data from INPI

PROCESSO PARA REMOÇÃO DE SÓLIDOS FINOS DE POLPA FINA QUE CONTÉM ÁGUA BRANCA E APARELHO PARA SEPARAR SÓLIDOS FINOS DE ÁGUA EM POLPA FINA QUE CONTÉM ÁGUA BRANCA

Em AnáliseInvention PatentPCT · US1990006496

Application data

Number

PI9006989

Type

Invention Patent

Filing

11/02/1990

Publication

01/28/1992

PCT

US1990006496

Progress at the INPI

  1. Filing11/02/90
  2. Publication01/28/92
  3. Examination06/29/93
  4. Allowance
  5. Grant
  6. In force

Published on 01/28/1992, 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: 09/23/1997. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. C. (pessoa física)

IT

P. R. (pessoa física)

US

Inventors

G. C. (pessoa física)

IT

P. R. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

07/431.456 · 11/03/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

09/23/1997

RPI 1399

Solicitação de exame técnico

#4.1

06/29/1993

RPI 1178

Notificação de entrada na fase nacional - PCT

#1.3

01/28/1992

RPI 1104

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