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Official data from INPI

PROCESSO E INSTALAÇÃO PARA ASSENTAMENTO DE OLEODUTO

Arquivada/ExtintaInvention Patent

Application data

Number

PI8905678

Type

Invention Patent

Filing

11/06/1989

Publication

06/05/1990

Progress at the INPI

  1. Filing11/06/89
  2. Publication06/05/90
  3. Examination07/23/91
  4. Allowance11/23/93
  5. Grant05/31/94
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Allseas Engineering B.V

NL

Allseas Engineering B.V.

NL

Inventors

W. K. (pessoa física)

NL

Technical data

IPC Classification

Priority claims

NL

88.02725 · 11/07/1988

NL

89.02622 · 10/23/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 06/11/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

05/31/1994

RPI 1226

Deferimento

#9.1

11/23/1993

RPI 1199

Solicitação de exame técnico

#4.1

07/23/1991

RPI 1077

Publicação do pedido de patente

#3.1

06/05/1990

RPI 1021

Pedido de patente depositado

#2.1

04/17/1990

RPI 1014

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