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Official data from INPI

PROCESSO E APARELHO PARA CALCINAR COQUE DE PETROLEO BRUTO

ArquivadaInvention Patent
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Application data

Number

PI8000614

Type

Invention Patent

Filing

01/31/1980

Publication

-
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Progress at the INPI

  1. Filing01/31/80
  2. Publication
  3. Abandoned09/27/83
  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: 09/17/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GREAT LAKES CARBON CORP

Inventors

W. F. (pessoa física)

Technical data

IPC Classification

C10B 49/04

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

09/17/1985

RPI 778

Republicação - classificação IPC

#15.11

04/30/1985

RPI 758

Exigência - art. 36 da LPI

#6.1

03/19/1985

RPI 752

Exigência - art. 36 da LPI

#6.1

05/22/1984

RPI 709

Solicitação de exame técnico

#4.1

09/27/1983

RPI 675

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