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Official data from INPI

PROCESSO PARA PURIFICAÇÃO EM RETORTA DE XISTO OLEAGINOSO EM GRELHA MÓVEL E RESPECTIVA GRELHA MÓVEL.

ArquivadaInvention Patent

Application data

Number

PI8501626

Type

Invention Patent

Filing

04/08/1985

Publication

12/03/1985

Progress at the INPI

  1. Filing04/08/85
  2. Publication12/03/85
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 04/08/1985 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: 02/09/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. C. (pessoa física)

US

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Inventors

F. K. (pessoa física)

F. F. (pessoa física)

K. B. (pessoa física)

Technical data

IPC Classification

Priority claims

US

598.254 · 04/09/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

02/09/1988

RPI 903

Publicação do pedido de patente

#3.1

12/03/1985

RPI 789

Pedido de patente depositado

#2.1

06/25/1985

RPI 766

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