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Official data from INPI

PROCESSO PARA EXTRAIR METAIS PESADOS CONTIDOS EM CONCENTRADOS DE MINÉRIOS SULFURADOS.

ArquivadaInvention Patent
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Application data

Number

PI8101630

Type

Invention Patent

Filing

03/19/1981

Publication

-
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Progress at the INPI

  1. Filing03/19/81
  2. Publication
  3. Abandoned11/16/83
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 07/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. R. (pessoa física)

Inventors

D. U. (pessoa física)

Technical data

IPC Classification

C01G 1/06C22B 13/02C22B 19/00C25C 3/00C25C 3/34

Priority claims

IT

20787 A/80 · 03/20/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

07/30/1985

RPI 771

Exigência - art. 36 da LPI

#6.1

12/11/1984

RPI 738

Solicitação de exame técnico

#4.1

11/16/1983

RPI 682

Republicação - classificação IPC

#15.11

08/23/1983

RPI 670

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C25C 1/00; C22B 13/04; C25C 1/18; C22B 19/00; C25C 3/00; C25C 3/34.

03/27/2018

RPI 2464

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