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Official data from INPI

CONECTOR DE AMARRA PARA LIGAÇÃO DA COLUNA MONTANTE DE PRODUÇÃO DE UMA CABEÇA DE POÇO SUBMARINO COM UMA PLATAFORMA

ConcedidaInvention Patent

Application data

Number

PI8400610

Type

Invention Patent

Filing

02/13/1984

Publication

09/18/1984

Progress at the INPI

  1. Filing02/13/84
  2. Publication09/18/84
  3. Examination08/05/86
  4. Allowance11/01/88
  5. Grant09/26/89
  6. Terminated09/05/95

The patent was granted on 09/26/1989 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Vetco Gray Inc.

US

See this company's full portfolio

Inventors

I. C. (pessoa física)

GB

S. C. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

US

466.236 · 02/14/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

02/21/1989

RPI 957

Deferimento

#9.1

11/01/1988

RPI 941

6.2

09/08/1987

RPI 881

14.7

02/10/1987

RPI 851

14.1

01/21/1987

RPI 848

Solicitação de exame técnico

#4.1

08/05/1986

RPI 824

Publicação do pedido de patente

#3.1

09/18/1984

RPI 726

Pedido de patente depositado

#2.1

04/24/1984

RPI 705

Anuidade - prazo legal encerrado

#18.2

09/05/1995

RPI 1292

20.4

08/24/1993

RPI 1186

20.4

08/21/1990

RPI 1029

20.7

08/21/1990

RPI 1029

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