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Official data from INPI

SUPORTE AJUSTÁVEL PARA TUBULAÇÕES SUBMARINAS.

Em AnáliseInvention Patent

Application data

Number

PI8101086

Type

Invention Patent

Filing

02/11/1981

Publication

-

Progress at the INPI

  1. Filing02/11/81
  2. Publication
  3. Examination10/11/83
  4. Allowance04/24/84
  5. Grant11/27/84
  6. Terminated05/24/88

The patent was granted on 11/27/1984 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: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Corak Limited.

Inventors

R. A. (pessoa física)

Technical data

IPC Classification

Priority claims

IT

20004 A/80 · 02/19/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

11/27/1984

RPI 736

Notificação para pagamento de retribuição

#13.1

08/21/1984

RPI 722

Deferimento

#9.1

04/24/1984

RPI 705

Solicitação de exame técnico

#4.1

10/11/1983

RPI 677

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era F16L 1/04.

03/27/2018

RPI 2464

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