Official data from INPI

CONJUNTO VEDADOR, TAMPA RETENTORA E MÉTODO DE VEDAÇÃO DE CAVIDADE

Arquivada/ExtintaInvention Patent

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Application data

Number

PI9101585

Type

Invention Patent

Filing

04/19/1991

Publication

12/10/1991

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Progress at the INPI

Filing04/19/91
Publication12/10/91
Examination01/18/94
Allowance03/14/95
Grant09/26/95
Expired06/22/10

The letters patent expired on 06/22/2010: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 06/22/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Orbseal Holding Co.

Orbseal, Inc

Orbseal L.L.C.

Inventors

D. C. (pessoa física)

P. M. (pessoa física)

Technical data

IPC Classification

F16J 15/50

Priority claims

07/512,878 · 04/23/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 19/04/2006

06/22/2010

RPI 2059

Transferência deferida

#25.1

Transferido de: Orbseal Holding Co.

11/23/1999

RPI 1507

Alteração de nome deferida

#25.4

Alterado de: Orbseal, INC.

08/24/1999

RPI 1494

Concessão da patente

#16.1

09/26/1995

RPI 1295

Deferimento

#9.1

03/14/1995

RPI 1267

Exigência - art. 36 da LPI

#6.1

09/06/1994

RPI 1240

Solicitação de exame técnico

#4.1

01/18/1994

RPI 1207

Publicação do pedido de patente

#3.1