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Official data from INPI

PROCESSO PARA EFETUAR SEPARAÇÃO MAGNÉTICA ÚMIDA DE PARTÍCULAS MAGNÉTICAMENTE ATRAÍVEIS DE UMA SUSPENSÃO DE SOLÍDOS EM VEÍCULO LÍQUIDO.

PublicadaInvention Patent

Application data

Number

PI8704394

Type

Invention Patent

Filing

08/26/1987

Publication

04/19/1988

Progress at the INPI

  1. Filing08/26/87
  2. Publication04/19/88
  3. Abandoned09/18/90
  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: 04/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. C. (pessoa física)

US

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Inventors

M. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

900.666 · 08/27/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

04/19/1988

RPI 913

Pedido de patente depositado

#2.1

11/17/1987

RPI 891

Arquivamento - Art. 36 §1° da LPI

#11.2

03/01/1994

RPI 1213

Exigência - art. 36 da LPI

#6.1

07/06/1993

RPI 1179

Solicitação de exame técnico

#4.1

09/18/1990

RPI 1033

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