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Official data from INPI

ROCESSO E APARELHO PARA BENEFICIAMENTO DE CARVÃO ALIMENTADO OU MATERIAL EM PARTICULAR PELA SEPARAÇÃO DE SEUS COMPONENTES POR FINAMENTE SE FRAGMENTAR E DE SE TORNAR ELETRICAMENTE CARREGADAS AS PARTÍCULAS DO MATERIAL.

ArquivadaInvention Patent

Application data

Number

PI8403877

Type

Invention Patent

Filing

08/03/1984

Publication

07/09/1985

Progress at the INPI

  1. Filing08/03/84
  2. Publication07/09/85
  3. Abandoned12/24/85
  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

Advanced Energy Dynamics, INC:

Advanced Indústria e Comércio de Máquinas Limitada

RS, BR

Inventors

S. R. (pessoa física)

Technical data

IPC Classification

Priority claims

US

520,649 · 08/05/1984

US

617,319 · 06/04/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

01/17/1989

RPI 952

6.2

06/21/1988

RPI 922

Solicitação de exame técnico

#4.1

12/24/1985

RPI 792

Publicação do pedido de patente

#3.1

07/09/1985

RPI 768

Pedido de patente depositado

#2.1

10/09/1984

RPI 729

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