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Official data from INPI

MÉTODO E APARELHAGEM PARA ESCOAMENTO DA PRODUÇÃO SUBMARINA DE PETRÓLEO COM SEPARAÇÃO PRIMÁRIA DE GÁS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9600248

Type

Invention Patent

Filing

01/29/1996

Publication

12/23/1997

Progress at the INPI

  1. Filing01/29/96
  2. Publication12/23/97
  3. Examination
  4. Allowance08/12/03
  5. Grant10/14/03
  6. Expired04/12/16

The letters patent expired on 04/12/2016: 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: 04/12/2016. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Petróleo Brasileiro S.A. - PETROBRÁS

RJ, BR

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Inventors

P. L. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 29/01/2016

04/12/2016

RPI 2362

Concessão da patente

#16.1

10/14/2003

RPI 1710

Deferimento

#9.1

08/12/2003

RPI 1701

Publicação do pedido de patente

#3.1

12/23/1997

RPI 1409

Pedido de patente depositado

#2.1

03/12/1996

RPI 1319

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