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Official data from INPI

PROCESSO DE IMPEDIR O ENTUPIMENTO DE UM DISPOSITIVO PENEIRADOR

Em AnáliseInvention Patent

Application data

Number

PI8207990

Type

Invention Patent

Filing

11/24/1981

Publication

10/04/1983

Progress at the INPI

Technical opinion to answer
  1. Filing11/24/81
  2. Publication10/04/83
  3. Examination01/17/84
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

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Latest action published by the INPI: 10/20/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

WIKDAHL NILS ANDERS LENNART [SE]

Inventors

W. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

10/20/1987

RPI 887

Conhecimento de parecer técnico

#7.1

12/31/1985

RPI 793

Exigência - art. 36 da LPI

#6.1

07/03/1984

RPI 715

Solicitação de exame técnico

#4.1

01/17/1984

RPI 691

Notificação de entrada na fase nacional - PCT

#1.3

10/04/1983

RPI 676

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