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Official data from INPI

DISPOSITIVO PARA VEDAÇÃO DE UMA FOLGA ANULAR NUM POÇO

ArquivadaInvention Patent

Application data

Number

PI9004057

Type

Invention Patent

Filing

08/16/1990

Publication

09/03/1991

Progress at the INPI

  1. Filing08/16/90
  2. Publication09/03/91
  3. Abandoned10/27/92
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 07/19/1994. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ABB Vetco Gray Inc.

US

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Inventors

J. N. (pessoa física)

Technical data

IPC Classification

Priority claims

US

395.809 · 08/18/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

07/19/1994

RPI 1233

Exigência - art. 36 da LPI

#6.1

01/18/1994

RPI 1207

14.4

08/17/1993

RPI 1185

Solicitação de exame técnico

#4.1

10/27/1992

RPI 1143

Publicação do pedido de patente

#3.1

09/03/1991

RPI 1083

Pedido de patente depositado

#2.1

02/19/1991

RPI 1055

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