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Official data from INPI

DISPOSITIVO PARA A EXTRAÇÃO SUBMARINA DE PETRÓLEO E DE GÁS NATURAL

PublicadaInvention Patent

Application data

Number

PI8804618

Type

Invention Patent

Filing

09/08/1988

Publication

04/18/1989

Progress at the INPI

  1. Filing09/08/88
  2. Publication04/18/89
  3. Abandoned04/09/91
  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.

Talk to a specialist

Latest action published by the INPI: 04/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Klein, Schanzlin & Becker Aktiengesellschaft

DE

Inventors

D. B. (pessoa física)

D. H. (pessoa física)

K. E. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P3730671 · 09/12/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

04/18/1989

RPI 965

Pedido de patente depositado

#2.1

02/08/1989

RPI 955

Arquivamento - Art. 36 §1° da LPI

#11.2

03/15/1994

RPI 1215

6.2

07/20/1993

RPI 1181

Solicitação de exame técnico

#4.1

04/09/1991

RPI 1062

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