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Official data from INPI

PLANGEAMENTO PARA SUSPENSAO DA COLUNA DE TUBOS DE REVESTIMENTO E DE PRODUCAO PARA POCOS PETROLIFEROS

ConcedidaInvention Patent

Application data

Number

PI8100990

Type

Invention Patent

Filing

02/19/1980

Publication

-

Progress at the INPI

  1. Filing02/19/80
  2. Publication
  3. Examination09/13/83
  4. Allowance01/06/87
  5. Grant09/29/87
  6. Terminated09/25/90

The patent was granted on 09/29/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SAIPEM SPA

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Inventors

M. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/29/1987

RPI 884

Notificação para pagamento de retribuição

#13.1

06/09/1987

RPI 868

Deferimento

#9.1

01/06/1987

RPI 846

Exigência - art. 36 da LPI

#6.1

12/04/1984

RPI 737

Solicitação de exame técnico

#4.1

09/13/1983

RPI 673

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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