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Official data from INPI

SEPARACAO GRAVIMETRICA DOS MATERIAIS COMPONENTES DO CARVAO MINERAL E MINERIOS SEMELHANTES,POR MEIO DE LIQUIDO PESADO,COMPOSTO POR PERCLORDETILENO ATIVADO COM SILICONE FLUIDO

ArquivadaInvention Patent

Application data

Number

PI8100707

Type

Invention Patent

Filing

02/06/1981

Publication

10/05/1982

Progress at the INPI

  1. Filing02/06/81
  2. Publication10/05/82
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 02/06/1981 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 01/22/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

P. C. (pessoa física)

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Inventors

P. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

01/22/1985

RPI 744

Publicação do pedido de patente

#3.1

10/05/1982

RPI 624

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