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Official data from INPI

Dispositivo de estanqueidade com junta fluída

Arquivada/ExtintaInvention Patent

Application data

Number

PI9104080

Type

Invention Patent

Filing

09/24/1991

Publication

06/02/1992

Progress at the INPI

  1. Filing09/24/91
  2. Publication06/02/92
  3. Examination10/18/94
  4. Allowance03/11/97
  5. Grant07/28/98
  6. Expired06/11/13

The letters patent expired on 06/11/2013: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/11/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Schlumberger Industries, S.A.

ES

See this company's full portfolio

Inventors

M. V. (pessoa física)

ES

Technical data

IPC Classification

Priority claims

FR

90/11953 · 09/28/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 24/09/2011

06/11/2013

RPI 2214

Concessão da patente

#16.1

07/28/1998

RPI 1440

Notificação para pagamento de retribuição

#13.1

10/14/1997

RPI 1402

Deferimento

#9.1

03/11/1997

RPI 1371

Exigência - art. 36 da LPI

#6.1

12/19/1995

RPI 1307

Solicitação de exame técnico

#4.1

10/18/1994

RPI 1246

14.4

05/04/1993

RPI 1170

14.1

04/27/1993

RPI 1169

Publicação do pedido de patente

#3.1

06/02/1992

RPI 1122

Pedido de patente depositado

#2.1

10/29/1991

RPI 1091

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