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Official data from INPI

METODO E DISPOSITIVO APERFEICOADOS PARA ASSENTAR TUBULACOES SUBMARINAS COMSUPERACAO DE OBSTACULOS

ConcedidaInvention Patent
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Application data

Number

PI8003915

Type

Invention Patent

Filing

06/20/1979

Publication

-
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Progress at the INPI

  1. Filing06/20/79
  2. Publication
  3. Examination02/22/83
  4. Allowance09/20/83
  5. Grant03/27/84
  6. Terminated09/25/90

The patent was granted on 03/27/1984 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: 09/18/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SAIPEM SPA

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Inventors

R. G. (pessoa física)

S. A. (pessoa física)

Technical data

IPC Classification

E02D 29/10

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

09/18/1984

RPI 726

Concessão da patente

#16.1

03/27/1984

RPI 701

Republicação - classificação IPC

#15.11

02/07/1984

RPI 694

Notificação para pagamento de retribuição

#13.1

01/03/1984

RPI 689

Deferimento

#9.1

09/20/1983

RPI 674

Solicitação de exame técnico

#4.1

02/22/1983

RPI 644

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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