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Official data from INPI

SUMIDOURO OU PEDRA DE LAVAGEM RESISTENTE AO FOGO E PERMEÁVEL AO GÁS

Em AnáliseInvention PatentPCT · AT1989000035

Application data

Number

PI8906815

Type

Invention Patent

Filing

04/13/1989

Publication

11/20/1990

PCT

AT1989000035

Progress at the INPI

  1. Filing04/13/89
  2. Publication11/20/90
  3. Examination04/30/91
  4. Allowance
  5. Grant
  6. In force

Published on 11/20/1990, 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: 11/21/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

V. M. (pessoa física)

AT

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Inventors

R. H. (pessoa física)

Technical data

IPC Classification

Priority claims

AT

A 958/88 · 04/13/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

11/21/1995

RPI 1303

Solicitação de exame técnico

#4.1

04/30/1991

RPI 1065

Notificação de entrada na fase nacional - PCT

#1.3

11/20/1990

RPI 1042

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