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Official data from INPI

VEDAÇÃO MECÂNICA DIVIDIDA, MÉTODO PARA POSICIONAR UM ANEL DE VEDAÇÃO GIRATÓRIO, ANEL DE VEDAÇÃO E MÉTODO DE ALINHAMENTO DE SEGMENTOS DE ANEL DE VEDAÇÃO

ConcedidaInvention PatentPCT · US2013073890

Application data

Number

112015013144

Type

Invention Patent

Filing

12/09/2013

Publication

07/11/2017

PCT

US2013073890

Progress at the INPI

  1. Filing12/09/13
  2. Publication07/11/17
  3. Examination
  4. Allowance12/08/20
  5. Grant02/23/21
  6. In force12/09/33

The patent was granted on 02/23/2021 and is in force until 12/09/2033. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:12/09/2033

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Latest action published by the INPI: 02/23/2021. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A.W. CHESTERTON COMPANY

US

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Inventors

E. C. (pessoa física)

US

Technical data

Priority claims

US

61/734,691 · 12/07/2012

Abstract

ABSTRACT OF THE DISCLOSURE A split mechanical seal for mounting to a housing containing a rotating shaft, including a gland assembly, a holder assembly having an inner surface and an opposed outer surface, and a rotary seal ring that is sized and configured for seating within the space defined by the holder assembly. A detent groove is formed in the inner surface of the holder assembly for at least partially seating a portion of a sealing element, and another detent groove is formed in an outer surface of the rotary seal ring for at least partially seating another portion of the sealing element. The holder detent groove and the seal ring detent groove in combination are configured to seat and to retain the sealing element.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

20 (vinte) anos contados a partir de 09/12/2013, observadas as condições legais

02/23/2021

RPI 2616

Deferimento

#9.1

12/08/2020

RPI 2605

Exigência preliminar

#6.21

07/28/2020

RPI 2586

Notificação de acesso ao patrimônio genético

#6.6.1

11/21/2018

RPI 2498

Notificação de entrada na fase nacional - PCT

#1.3

Publicação automática da admissibilidade da fase nacional depositado via PCT . Tratado de cooperação em matéria de Patentes, conforme Instrução Normativa nº 02, de 06/06/2017 publicada na RPI nº 2422, de 06/06/2017.

07/11/2017

RPI 2427

Alteração de dados cadastrais

#1.1

06/23/2015

RPI 2320

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