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Official data from INPI

PROCESSO DE PREPARAÇÃO DE BORETOS DE TERRAS RARAS

PublicadaInvention Patent

Application data

Number

PI8806171

Type

Invention Patent

Filing

11/24/1988

Publication

08/15/1989

Progress at the INPI

  1. Filing11/24/88
  2. Publication08/15/89
  3. Examination11/20/90
  4. Allowance
  5. Grant
  6. In force

Published on 08/15/1989, 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: 08/15/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. B. (pessoa física)

FR

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Inventors

A. I. (pessoa física)

FR

P. M. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

87 16396 · 11/26/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

08/15/1989

RPI 982

Pedido de patente depositado

#2.1

04/04/1989

RPI 963

Retificação

#15.3

11/01/1994

RPI 1248

Solicitação de exame técnico

#4.1

11/20/1990

RPI 1042

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