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Official data from INPI

Processo de rerefino de óleo lubrificante usado, processo de redução da temperatura de destilação, óleo lubrificante usado e processo de redução de ponto de fulgor.

ArquivadaInvention Patent
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Application data

Number

PI8205092

Type

Invention Patent

Filing

08/31/1982

Publication

02/28/1984
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Progress at the INPI

  1. Filing08/31/82
  2. Publication02/28/84
  3. Abandoned05/27/86
  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: 01/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Delta Central Refining, Inc

Inventors

O. H. (pessoa física)

Technical data

IPC Classification

C10G 29/00

Priority claims

US

336.900 · 01/04/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

01/17/1989

RPI 952

Exigência - art. 36 da LPI

#6.1

03/08/1988

RPI 907

Republicação - classificação IPC

#15.11

05/05/1987

RPI 863

Exigência - art. 36 da LPI

#6.1

12/30/1986

RPI 845

Solicitação de exame técnico

#4.1

05/27/1986

RPI 814

Publicação do pedido de patente

#3.1

02/28/1984

RPI 697

Pedido de patente depositado

#2.1

10/19/1982

RPI 626

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