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Official data from INPI

PROCESSO PARA A COMPLETA DESIDRATACAO E SUBSEQUENTE CALCINACAO DE HIDRATOS DE FLUORETO DE ALUMINIO

Em AnáliseInvention Patent

Application data

Number

PI7906477

Type

Invention Patent

Filing

10/09/1978

Publication

-

Progress at the INPI

  1. Filing10/09/78
  2. Publication
  3. Examination
  4. Allowance03/27/84
  5. Grant09/25/84
  6. Terminated07/12/88

The patent was granted on 09/25/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ALUSUISSE

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Inventors

A. S. (pessoa física)

S. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

09/25/1984

RPI 727

Deferimento

#9.1

03/27/1984

RPI 701

Exigência - art. 36 da LPI

#6.1

10/04/1983

RPI 676

6.2

03/22/1983

RPI 648

Exigência - art. 36 da LPI

#6.1

08/03/1982

RPI 615

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