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Official data from INPI

PROCESSO PARA PRODUZIR PARTICULAS DE METAL SOLIDAS ULTRA FINAS

Em AnáliseInvention Patent

Application data

Number

PI8306370

Type

Invention Patent

Filing

11/21/1983

Publication

06/25/1985

Progress at the INPI

  1. Filing11/21/83
  2. Publication06/25/85
  3. Examination12/03/85
  4. Allowance
  5. Grant
  6. In force

Published on 06/25/1985, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 11/03/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

WENTZELL JOSEPH M [US]

Inventors

W. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

11/03/1987

RPI 889

Solicitação de exame técnico

#4.1

12/03/1985

RPI 789

Publicação do pedido de patente

#3.1

06/25/1985

RPI 766

Pedido de patente depositado

#2.1

01/31/1984

RPI 693

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