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Official data from INPI

PROCESSO METALOTÉRMICO PARA REDUZIR CARGA DE ALIMENTAÇÃO DE TERRA RARA EM METAL DE TERRA RARA

Em AnáliseInvention Patent

Application data

Number

PI8701216

Type

Invention Patent

Filing

03/17/1987

Publication

12/29/1987

Progress at the INPI

Technical opinion to answer
  1. Filing03/17/87
  2. Publication12/29/87
  3. Examination04/19/88
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

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Latest action published by the INPI: 04/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. C. (pessoa física)

US

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Inventors

R. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

840,762 · 03/18/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/19/1988

RPI 913

Publicação do pedido de patente

#3.1

12/29/1987

RPI 897

Pedido de patente depositado

#2.1

06/23/1987

RPI 870

Retificação

#15.3

08/06/1996

RPI 1340

Conhecimento de parecer técnico

#7.1

06/07/1994

RPI 1227

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