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Official data from INPI

DISPOSITIVO ANTI-REFLUXO PARA HIDRÔMETRO

ArquivadaInvention Patent

Application data

Number

PI9403072

Type

Invention Patent

Filing

09/13/1994

Publication

09/03/1996

Progress at the INPI

  1. Filing09/13/94
  2. Publication09/03/96
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 09/13/1994 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 03/08/2000. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Tubos e Conexões Tigre Ltda

SC, BR

See this company's full portfolio

Inventors

F. S. (pessoa física)

BR

S. G. (pessoa física)

BR

Technical data

IPC Classification

Abstract

Patente de Invenção para "DISPOSITIVO ANTI-REFLUXO PARA HIDROMETRO", constituído por corpo (1) dotado de flange interno (3), e externo e trecho (1') interno sendo que internamente ao corpo (1) aloja-se obturador (6) desenvolvido numa superfície paraboloidal (6'), da qual se projetam quatro hastes (7) interligadas por anel (8), enquanto que no trecho (1') encaixa-se peça (9), dotada de flanges interno de receber o encaixe da superfície paraboloidal (6') do obturador (6).

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

03/08/2000

RPI 1522

3.4

10/29/1996

RPI 1352

Publicação do pedido de patente

#3.1

09/03/1996

RPI 1344

Pedido de patente depositado

#2.1

11/15/1994

RPI 1250

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