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Official data from INPI

DISPOSITIVO DE CONEXÃO RAPIDA DE HASTES, TUBOS, ESCORAS OU SEGMENTOS DE ESTACAS DE ANCORAGEM, NOTADAMENTE PARA PERFURAÇÕES NO MAR

ConcedidaInvention Patent

Application data

Number

PI8303617

Type

Invention Patent

Filing

07/06/1983

Publication

02/14/1984

Progress at the INPI

  1. Filing07/06/83
  2. Publication02/14/84
  3. Examination05/27/86
  4. Allowance12/08/87
  5. Grant06/28/88
  6. Expired07/01/08

The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/28/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ABB Vetco Gray Inc.

US

See this company's full portfolio

Inventors

P. N. (pessoa física)

US

Technical data

IPC Classification

Priority claims

FR

82.11939 · 07/07/1982

FR

82.13381 · 07/30/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1988

RPI 923

Deferimento

#9.1

12/08/1987

RPI 894

14.1

04/22/1987

RPI 861

Solicitação de exame técnico

#4.1

05/27/1986

RPI 814

14.1

05/07/1985

RPI 759

Publicação do pedido de patente

#3.1

02/14/1984

RPI 695

Pedido de patente depositado

#2.1

08/16/1983

RPI 669

Carta-patente expirada

#21.1

Patente extinta em 06/07/98

07/01/2008

RPI 1956

20.4

08/24/1993

RPI 1186

20.11

05/22/1990

RPI 1019

20.4

03/20/1990

RPI 1010

20.7

03/20/1990

RPI 1010

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