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

DISPOSITIVO DE MAGNETIZACAO E IMANTACAO;PROCESSO PARA OBTER UM PERFIL INDICANDO A QUALIDADE DE UMA BOBINA DE MATERIAL DE ACO EM TIRA;PROCESSO PARA TESTAR MATERIAL DE ACO EM TIRA;E APARELHO DE TESTE CONTINUO PARA DETERMINAR AS CARACTERISTICAS MAGNETICAS DE UM MATERIAL DE ACO EM TIRA

Em AnáliseInvention Patent

Application data

Number

PI7705374

Type

Invention Patent

Filing

08/17/1976

Publication

-

Progress at the INPI

  1. Filing08/17/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant03/30/82
  6. Terminated12/15/87

The patent was granted on 03/30/1982 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ALLEGHENY LUDLUM IND INC

See this company's full portfolio

Inventors

C. L. (pessoa física)

O. M. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/15/1987

RPI 895

Pedido de licença compulsória

#20.1

05/31/1983

RPI 658

Concessão da patente

#16.1

03/30/1982

RPI 597

Notificação para pagamento de retribuição

#13.1

10/06/1981

RPI 572

Related

From the same holder

Same category

Patent monitoring

Track this patent in real time.

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