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Official data from INPI

DIAFRAGMA DUPLO OU MÚLTIPLO PARA VÁLVULAS COM SAÍDAS PARA ALARME DE PROTEÇÃO

Em AnáliseInvention Patent
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Application data

Number

PI9103152

Type

Invention Patent

Filing

07/19/1991

Publication

03/17/1992
View on INPI

Progress at the INPI

  1. Filing07/19/91
  2. Publication03/17/92
  3. Examination03/09/93
  4. Allowance
  5. Grant
  6. In force

Published on 03/17/1992, 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: 05/06/1997. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Civa Comércio e Indústria de Válvulas Ltda

SP, BR

Inventors

J. N. (pessoa física)

BR

Technical data

IPC Classification

F16K 51/00F16K 7/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

05/06/1997

RPI 1379

Solicitação de exame técnico

#4.1

03/09/1993

RPI 1162

Pedido de patente depositado

#2.1

03/17/1992

RPI 1111

Publicação antecipada

#3.2

03/17/1992

RPI 1111

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