Official data from INPI

Processo para lixiviação de cobre

IndeferidaInvention Patent

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Application data

Number

PI8100258

Type

Invention Patent

Filing

01/16/1981

Publication

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Progress at the INPI

Under appeal

Filing01/16/81
Publication
Examination12/14/82
Refused07/02/85
Grant
In force

The application was refused by the INPI on 07/02/1985. The invention was never patented.

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Latest action published by the INPI: 07/02/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Homes & Narver INC (US)

Sociedad Minera Padahuel Ltda, C.P.A. (Cl)

Inventors

D. E. (pessoa física)

Technical data

IPC Classification

C22B 3/00

Priority claims

113232 · 01/17/1980

186630 · 09/12/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

07/02/1985

RPI 767

Conhecimento de parecer técnico

#7.1

08/14/1984

RPI 721

14.1

04/10/1984

RPI 703

Solicitação de exame técnico

#4.1

12/14/1982

RPI 634

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era C22B 15/08.

03/27/2018

RPI 2464

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