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Official data from INPI

PROCESSO PARA FILTRAGEM DE MATÉRIA SUSPENSA PROVINIENTE DE UMA SUSPENSÃO LÍQUIDA.

ArquivadaInvention Patent

Application data

Number

PI8304744

Type

Invention Patent

Filing

08/31/1983

Publication

05/22/1984

Progress at the INPI

  1. Filing08/31/83
  2. Publication05/22/84
  3. Abandoned09/11/84
  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.

Talk to a specialist

Latest action published by the INPI: 07/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Amsted Industries Incorporated

US

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Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Priority claims

US

423.714 · 09/27/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

07/29/1986

RPI 823

Exigência - art. 36 da LPI

#6.1

07/09/1985

RPI 768

Solicitação de exame técnico

#4.1

09/11/1984

RPI 725

Publicação do pedido de patente

#3.1

05/22/1984

RPI 709

Pedido de patente depositado

#2.1

11/01/1983

RPI 680

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