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Official data from INPI

PROCESSO PARA ENTRADA EM COMUNICAÇÃO ENTRE UMA EXTENSÃO DE ÁGUA E UM TÚNEL DISPOSTO SOB O FUNDO DESTA EXTENSÃO DE ÁGUA.

ArquivadaInvention Patent

Application data

Number

PI8103038

Type

Invention Patent

Filing

05/15/1981

Publication

02/09/1982

Progress at the INPI

  1. Filing05/15/81
  2. Publication02/09/82
  3. Abandoned03/27/84
  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: 09/03/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Compagnie Française des Petroles S.A.

FR

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Inventors

E. B. (pessoa física)

Technical data

Priority claims

FR

80 10997 · 05/16/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

09/03/1985

RPI 776

Exigência - art. 36 da LPI

#6.1

01/15/1985

RPI 743

6.4

09/04/1984

RPI 724

Solicitação de exame técnico

#4.1

03/27/1984

RPI 701

Publicação do pedido de patente

#3.1

02/09/1982

RPI 590

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: E02D 29/00; E21D 10/00.

03/27/2018

RPI 2464

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