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Official data from INPI

PROCESSO PARA APERFEIÇOAR A ESTABILIDADE AO ARMAZENAMENTO DE LÍQUIDO DE ÓLEO DE XISTO, E PRODUTO.

ArquivadaInvention Patent

Application data

Number

PI8502963

Type

Invention Patent

Filing

06/20/1985

Publication

02/03/1987

Progress at the INPI

  1. Filing06/20/85
  2. Publication02/03/87
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 06/20/1985 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: 12/12/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Exxon Research And Engineering Company

US

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Inventors

J. F. (pessoa física)

R. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

12/12/1989

RPI 999

Publicação do pedido de patente

#3.1

02/03/1987

RPI 850

Pedido de patente depositado

#2.1

09/03/1985

RPI 776

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