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Official data from INPI

SISTEMA DE AQUECIMENTO ELÉTRICO DE DUTOS FLEXÍVEIS SUBMARINOS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9005628

Type

Invention Patent

Filing

11/07/1990

Publication

06/30/1992

Progress at the INPI

  1. Filing11/07/90
  2. Publication06/30/92
  3. Examination12/01/92
  4. Allowance03/29/94
  5. Grant12/27/94
  6. Terminated06/28/05

The patent was granted on 12/27/1994 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 06/28/2005. 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

F. F. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento por falta de pagamento

#8.6

referente á 14ª anuidade.

06/28/2005

RPI 1799

Concessão da patente

#16.1

12/27/1994

RPI 1256

Notificação para pagamento de retribuição

#13.1

08/02/1994

RPI 1235

Deferimento

#9.1

03/29/1994

RPI 1217

Solicitação de exame técnico

#4.1

12/01/1992

RPI 1148

Publicação do pedido de patente

#3.1

06/30/1992

RPI 1126

Pedido de patente depositado

#2.1

07/02/1991

RPI 1074

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