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Official data from INPI

SISTEMA APERFEIÇOADO PARA DESIDRATAR UMA SUSPENSÃO DE SÓLIDOS PARTICULADOS E PROCESSO APERFEIÇOADO PARA SUA REALIZAÇÀO.

ArquivadaInvention Patent

Application data

Number

PI8200420

Type

Invention Patent

Filing

01/26/1982

Publication

09/27/1983

Progress at the INPI

  1. Filing01/26/82
  2. Publication09/27/83
  3. Abandoned02/25/86
  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: 01/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. C. (pessoa física)

US

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Inventors

W. W. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

01/17/1989

RPI 952

Exigência - art. 36 da LPI

#6.1

06/14/1988

RPI 921

Solicitação de exame técnico

#4.1

02/25/1986

RPI 801

8.1

11/26/1985

RPI 788

Publicação do pedido de patente

#3.1

09/27/1983

RPI 675

Pedido de patente depositado

#2.1

03/16/1982

RPI 595

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