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Official data from INPI

COMPOSITO DE TIB2-GRAFITA

Arquivada/ExtintaInvention Patent
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Application data

Number

PI8207804

Type

Invention Patent

Filing

07/27/1981

Publication

07/19/1983
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Progress at the INPI

  1. Filing07/27/81
  2. Publication07/19/83
  3. Abandoned11/01/83
  4. Allowance
  5. Grant
  6. In force

The application was abandoned at the INPI. The case ended without a patent and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 12/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GREAT LAKES CARBON CORP [US]

Inventors

J. [. (pessoa física)

J. [. (pessoa física)

M. [. (pessoa física)

T. [. (pessoa física)

W. [. (pessoa física)

Pessoa física

Technical data

IPC Classification

C25C 3/08

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

12/30/1986

RPI 845

8.1

08/26/1986

RPI 827

Exigência - art. 36 da LPI

#6.1

01/15/1985

RPI 743

Solicitação de exame técnico

#4.1

03/20/1984

RPI 700

Solicitação de exame técnico

#4.1

11/01/1983

RPI 680

Notificação de entrada na fase nacional - PCT

#1.3

07/19/1983

RPI 665

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