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Official data from INPI

APERFEIÇOAMENTOS EM SISTEMA DE RETENÇÃO DE PÓ

Em AnáliseInvention Patent

Application data

Number

PI9003416

Type

Invention Patent

Filing

07/16/1990

Publication

01/15/1991

Progress at the INPI

  1. Filing07/16/90
  2. Publication01/15/91
  3. Examination02/26/91
  4. Allowance
  5. Grant
  6. In force

Published on 01/15/1991, 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: 11/28/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

L. K. (pessoa física)

SP, BR

Mecânica Fravo Ltda

SP, BR

Inventors

L. K. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

11/28/1995

RPI 1304

14.1

02/09/1993

RPI 1158

Solicitação de exame técnico

#4.1

02/26/1991

RPI 1056

Publicação antecipada

#3.2

01/15/1991

RPI 1050

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