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Official data from INPI

PROCESSO PARA LANÇAMENTO DE RASPADORES, PARTICULARMENTE PARA LINHAS DE POÇOS DE PETRÓLEO SUBMARINOS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9005125

Type

Invention Patent

Filing

10/12/1990

Publication

06/30/1992

Progress at the INPI

  1. Filing10/12/90
  2. Publication06/30/92
  3. Examination01/05/93
  4. Allowance06/30/98
  5. Grant11/24/98
  6. Expired05/21/13

The letters patent expired on 05/21/2013: 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: 05/21/2013. 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

J. S. (pessoa física)

BR

L. M. (pessoa física)

BR

M. H. (pessoa física)

BR

R. C. (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 12/10/2010

05/21/2013

RPI 2211

Concessão da patente

#16.1

11/24/1998

RPI 1455

Deferimento

#9.1

06/30/1998

RPI 1436

Conhecimento de parecer técnico

#7.1

06/10/1997

RPI 1384

Solicitação de exame técnico

#4.1

01/05/1993

RPI 1153

Publicação do pedido de patente

#3.1

06/30/1992

RPI 1126

Pedido de patente depositado

#2.1

10/29/1991

RPI 1091

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