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

ARANJO PARA INSERCAO ESTANQUE DE GASES DE ELETRODOS EM FORNOS DE FUNDICAO ELETRICOS

Em AnáliseInvention Patent

Application data

Number

PI7807964

Type

Invention Patent

Filing

12/05/1977

Publication

-

Progress at the INPI

  1. Filing12/05/77
  2. Publication
  3. Examination
  4. Allowance02/08/83
  5. Grant08/30/83
  6. Expired05/24/94

The letters patent expired on 05/24/1994: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/06/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. A. (pessoa física)

See this company's full portfolio

Inventors

K. H. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

12/06/1983

RPI 685

Concessão da patente

#16.1

08/30/1983

RPI 671

Notificação para pagamento de retribuição

#13.1

06/07/1983

RPI 659

Deferimento

#9.1

02/08/1983

RPI 642

15.0

06/22/1982

RPI 609

Exigência - art. 36 da LPI

#6.1

06/08/1982

RPI 607

6.2

12/15/1981

RPI 582

Carta-patente expirada

#21.1

05/24/1994

RPI 1225

Patent monitoring

Track this patent in real time.

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