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Official data from INPI

ESTAÇÃO SUBMERSA PARA BOMBEAR O FLUXO DE UM POÇO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9000035

Type

Invention Patent

Filing

01/04/1990

Publication

10/09/1990

Progress at the INPI

  1. Filing01/04/90
  2. Publication10/09/90
  3. Examination12/01/92
  4. Allowance04/26/94
  5. Grant11/29/94
  6. Expired05/11/10

The letters patent expired on 05/11/2010: 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: 05/11/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Kvaerner Subsea Contracting A/S

NO

Inventors

J. C. (pessoa física)

NO

J. C. (pessoa física)

NO

K. S. (pessoa física)

NO

Technical data

IPC Classification

Priority claims

NO

890057 · 01/06/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 04/01/2005

05/11/2010

RPI 2053

Concessão da patente

#16.1

11/29/1994

RPI 1252

Notificação para pagamento de retribuição

#13.1

08/23/1994

RPI 1238

Deferimento

#9.1

04/26/1994

RPI 1221

Solicitação de exame técnico

#4.1

12/01/1992

RPI 1148

Publicação do pedido de patente

#3.1

10/09/1990

RPI 1036

Pedido de patente depositado

#2.1

05/01/1990

RPI 1016

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