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Official data from INPI

PROCESSO PARA TRATAMENTO DE UM MATERIAL CONTENDO CARBONETOS MINERAIS E RESIDUO CARBONIFERO

ArquivadaInvention Patent

Application data

Number

PI8300875

Type

Invention Patent

Filing

02/26/1982

Publication

11/16/1983

Progress at the INPI

  1. Filing02/26/82
  2. Publication11/16/83
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 02/26/1982 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 02/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TOSCO CORP [US]

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Inventors

B. R. (pessoa física)

H. C. (pessoa física)

L. T. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

02/25/1986

RPI 801

Publicação do pedido de patente

#3.1

11/16/1983

RPI 682

Pedido de patente depositado

#2.1

04/12/1983

RPI 651

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