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Official data from INPI

PROCESSO HIDRO-METALÚRGICO PARA O TRATAMENTO DE SULFETOS BRUTOS DE NÍQUEL

Em ExigênciaInvention Patent
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Application data

Number

PI7600227

Type

Invention Patent

Filing

01/15/1976

Publication

-
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Progress at the INPI

  1. Filing01/15/76
  2. Publication
  3. Examination
  4. Allowance04/06/93
  5. Abandoned
  6. In force

The application was allowed on 04/06/1993 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

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Latest action published by the INPI: 10/20/1981. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. S. (pessoa física)

FR

Inventors

No inventors listed.

Technical data

IPC Classification

C25C 1/08

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

10/20/1981

RPI 574

Arquivamento - Art. 38 §2° da LPI

#11.4

03/29/1994

RPI 1217

Notificação para pagamento de retribuição

#13.1

07/27/1993

RPI 1182

Republicação - classificação IPC

#15.11

06/01/1993

RPI 1174

Deferimento

#9.1

04/06/1993

RPI 1166

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