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Official data from INPI

PROCESSO PARA PRODUCAO DE CINZA DE XISTO COM BAIXA SORCAO DE OLEO E PROCESSO PARA PIROLISE DE XISTO BETUMINOSO

ArquivadaInvention Patent

Application data

Number

PI8300437

Type

Invention Patent

Filing

01/29/1982

Publication

11/01/1983

Progress at the INPI

  1. Filing01/29/82
  2. Publication11/01/83
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 01/29/1982 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: 02/12/1986. 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

02/12/1986

RPI 799

Publicação do pedido de patente

#3.1

11/01/1983

RPI 680

Pedido de patente depositado

#2.1

03/15/1983

RPI 647

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