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Official data from INPI

PROCESSO E APARELHO PARA A REDUÇÃO SELETIVA DE ÓXIDOS METÁLICOS

Em AnáliseInvention Patent

Application data

Number

PI8200351

Type

Invention Patent

Filing

01/22/1982

Publication

11/23/1982

Progress at the INPI

  1. Filing01/22/82
  2. Publication11/23/82
  3. Examination08/30/83
  4. Allowance
  5. Grant
  6. In force

Published on 11/23/1982, 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: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. C. (pessoa física)

US

Inventors

C. S. (pessoa física)

US

D. M. (pessoa física)

US

J. S. (pessoa física)

US

W. A. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

229.611 · 01/29/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

05/31/1988

RPI 919

14.1

07/29/1986

RPI 823

Conhecimento de parecer técnico

#7.1

06/25/1985

RPI 766

6.2

11/27/1984

RPI 736

Solicitação de exame técnico

#4.1

08/30/1983

RPI 671

Publicação do pedido de patente

#3.1

11/23/1982

RPI 631

Pedido de patente depositado

#2.1

03/16/1982

RPI 595

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