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Official data from INPI

Processo de assentamento de tubos em águas profundas

Arquivada/ExtintaInvention Patent

Application data

Number

PI9103335

Type

Invention Patent

Filing

08/02/1991

Publication

05/26/1992

Progress at the INPI

  1. Filing08/02/91
  2. Publication05/26/92
  3. Examination01/26/93
  4. Allowance06/11/96
  5. Grant04/29/97
  6. Expired06/29/10

The letters patent expired on 06/29/2010: 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: 03/27/2018. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

McDermott International, Inc.

US

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Inventors

G. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

570.172 · 08/17/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era F16L 1/04.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

Patente extinta em 02/08/2006

06/29/2010

RPI 2060

Concessão da patente

#16.1

04/29/1997

RPI 1378

Deferimento

#9.1

06/11/1996

RPI 1332

Solicitação de exame técnico

#4.1

01/26/1993

RPI 1156

Publicação do pedido de patente

#3.1

05/26/1992

RPI 1121

Pedido de patente depositado

#2.1

04/21/1992

RPI 1116

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