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

APERFEICOAMENTO EM ELETRODO DE SOLDAGEM DO TIPO NUCLEADO

Em AnáliseInvention Patent

Application data

Number

PI7902770

Type

Invention Patent

Filing

05/08/1978

Publication

-

Progress at the INPI

  1. Filing05/08/78
  2. Publication
  3. Examination
  4. Allowance12/20/83
  5. Grant06/26/84
  6. Terminated05/17/88

The patent was granted on 06/26/1984 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LINCOLN ELECTRIC CO

Inventors

A. M. (pessoa física)

G. J. (pessoa física)

Y. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

06/26/1984

RPI 714

Notificação para pagamento de retribuição

#13.1

04/17/1984

RPI 704

Deferimento

#9.1

12/20/1983

RPI 687

Exigência - art. 36 da LPI

#6.1

04/05/1983

RPI 650

Patent monitoring

Track this patent in real time.

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