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Official data from INPI

SISTEMA DE CONTRA-SEDE DE METAL-COM-METAL PARA VÁLVULAS DE CONTROLE DE FLUXO DE FLUÍDO

ArquivadaInvention Patent

Application data

Number

PI9201942

Type

Invention Patent

Filing

05/22/1992

Publication

01/12/1993

Progress at the INPI

  1. Filing05/22/92
  2. Publication01/12/93
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 05/22/1992 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: 09/05/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. C. (pessoa física)

US

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Inventors

D. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

705.469 · 05/24/1991

Abstract

Um sistema de contra-sede de metal com metal para válvulas de controle de fluxo de fluido, compreendendo um elemento de contra-sede anular flexível se estendendo radialmente de uma haste de válvula ou elemento de fechamento para atuar hermeticamente contra uma superfície de tampa de válvula, e uma reserva anular para o elemento de contra-sede.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

09/05/1995

RPI 1292

Publicação do pedido de patente

#3.1

01/12/1993

RPI 1154

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