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Official data from INPI

PROCESSO PARA PIROLISAR XISTO OLEIFERO EM UMA RETORTA,PROCESSO PARA PRODUZIR UMA CINZA DE XISTO DE BAIXA ABSORCAO DE OLEO DE XISTO ASSIM OBTIDA

ArquivadaInvention Patent

Application data

Number

PI8207152

Type

Invention Patent

Filing

12/11/1981

Publication

10/11/1983

Progress at the INPI

  1. Filing12/11/81
  2. Publication10/11/83
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 12/11/1981 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: 01/21/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TOSCO CORP [US]

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Inventors

H. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

01/21/1986

RPI 796

Publicação do pedido de patente

#3.1

10/11/1983

RPI 677

Pedido de patente depositado

#2.1

02/01/1983

RPI 641

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