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Official data from INPI

CABEÇA DE POÇO SUBMARINA

ArquivadaInvention Patent

Application data

Number

PI8906148

Type

Invention Patent

Filing

12/04/1989

Publication

07/31/1990

Progress at the INPI

  1. Filing12/04/89
  2. Publication07/31/90
  3. Abandoned09/29/92
  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: 08/27/1996. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cameron Iron Works USA, INC

US

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Inventors

J. H. (pessoa física)

Technical data

IPC Classification

Priority claims

US

285.585 · 12/16/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

08/27/1996

RPI 1343

Exigência - art. 36 da LPI

#6.1

10/31/1995

RPI 1300

6.2

08/30/1994

RPI 1239

Solicitação de exame técnico

#4.1

09/29/1992

RPI 1139

Publicação do pedido de patente

#3.1

07/31/1990

RPI 1026

Pedido de patente depositado

#2.1

04/03/1990

RPI 1012

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