(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

METAIS DUROS REFRATARIOS SINTERIZADOS

ArquivadaInvention Patent
Talk to an expert

Application data

Number

PI8207805

Type

Invention Patent

Filing

07/27/1981

Publication

07/19/1983
View on INPI

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: 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.

Talk to a specialist

Latest action published by the INPI: 05/19/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GREAT LAKES CARBON CORP [US]

Inventors

J. [. (pessoa física)

T. [. (pessoa física)

W. [. (pessoa física)

Technical data

IPC Classification

C25C 3/08C25C 7/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

05/19/1987

RPI 865

Exigência - art. 36 da LPI

#6.1

10/14/1986

RPI 834

Exigência - art. 36 da LPI

#6.1

12/04/1984

RPI 737

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

Related

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.