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Official data from INPI

JUNÇÃO PARA ACOPLAMENTO DE ELEMENTOS TUBULARES.

Em AnáliseInvention Patent

Application data

Number

PI8006145

Type

Invention Patent

Filing

09/25/1980

Publication

-

Progress at the INPI

  1. Filing09/25/80
  2. Publication
  3. Examination05/24/83
  4. Allowance12/20/83
  5. Grant12/26/84
  6. Terminated07/12/88

The patent was granted on 12/26/1984 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Big-Inch Marine Systems, Inc.

Inventors

M. J. (pessoa física)

Technical data

IPC Classification

Priority claims

US

079.218 · 09/26/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

12/26/1984

RPI 740

14.11

10/16/1984

RPI 730

14.1

07/10/1984

RPI 716

Notificação para pagamento de retribuição

#13.1

04/17/1984

RPI 704

Deferimento

#9.1

12/20/1983

RPI 687

Solicitação de exame técnico

#4.1

05/24/1983

RPI 657

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