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Official data from INPI

APARELHO DE FILTRAGEM E PROCESSO PARA SEPARAR OS SÓLIDOS EM SUSPENSÃO NUM LÍQUIDO.

ArquivadaInvention Patent

Application data

Number

PI8301830

Type

Invention Patent

Filing

04/11/1983

Publication

12/20/1983

Progress at the INPI

  1. Filing04/11/83
  2. Publication12/20/83
  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.

Talk to a specialist

Latest action published by the INPI: 01/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Amsted Industries Incorporated

US

See this company's full portfolio

Inventors

J. L. (pessoa física)

W. H. (pessoa física)

Technical data

Priority claims

US

367.444 · 04/12/1982

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

03/08/1988

RPI 907

Exigência - art. 36 da LPI

#6.1

04/01/1986

RPI 806

Exigência - art. 36 da LPI

#6.1

05/07/1985

RPI 759

Solicitação de exame técnico

#4.1

03/27/1984

RPI 701

Publicação do pedido de patente

#3.1

12/20/1983

RPI 687

Pedido de patente depositado

#2.1

05/24/1983

RPI 657

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era B01D 29/36.

03/27/2018

RPI 2464

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