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Official data from INPI

COMPOSICOES DE DIBORETO DE TITANIO-GRAFITA

Em AnáliseInvention Patent

Application data

Number

PI8108789

Type

Invention Patent

Filing

09/11/1980

Publication

08/10/1982

Progress at the INPI

Technical opinion to answer
  1. Filing09/11/80
  2. Publication08/10/82
  3. Examination11/01/83
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

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Latest action published by the INPI: 09/08/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GREAT LAKES CARBON CORP [US]

Inventors

J. [. (pessoa física)

M. [. (pessoa física)

T. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

09/08/1987

RPI 881

Conhecimento de parecer técnico

#7.1

10/09/1984

RPI 729

Solicitação de exame técnico

#4.1

11/01/1983

RPI 680

Retificação da notificação da fase nacional - PCT

#1.3.1

09/28/1982

RPI 623

Notificação de entrada na fase nacional - PCT

#1.3

08/10/1982

RPI 616

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