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Official data from INPI

PROCESSO PARA SEPARAR ELEMENTOS DE TERRA RARA

IndeferidaInvention Patent

Application data

Number

PI9002803

Type

Invention Patent

Filing

06/13/1990

Publication

08/20/1991

Progress at the INPI

Under appeal
  1. Filing06/13/90
  2. Publication08/20/91
  3. Examination09/21/93
  4. Refused02/01/00
  5. Grant
  6. In force

The application was refused by the INPI on 02/01/2000. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 02/01/2000. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. C. (pessoa física)

JP

M. C. (pessoa física)

JP

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Inventors

K. A. (pessoa física)

JP

T. K. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

151003/89 · 06/14/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

Indeferido o pedido com base no artigo 8º da Lei 9279 de 14/05/96.

02/01/2000

RPI 1517

Conhecimento de parecer técnico

#7.1

01/12/1999

RPI 1462

14.4

11/12/1996

RPI 1354

Solicitação de exame técnico

#4.1

09/21/1993

RPI 1190

Publicação do pedido de patente

#3.1

08/20/1991

RPI 1081

Pedido de patente depositado

#2.1

10/30/1990

RPI 1039

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