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

PROCESSO DE REMOVER ARSENICO DE ELETROLITOS CONTENDO COBRE E ARSENICO E PROCESSO DE PURIFICACAO DE UM ELETROLITO DE REFINARIA DE COBRE

ConcedidaInvention Patent

Application data

Number

PI7704174

Type

Invention Patent

Filing

08/02/1976

Publication

-

Progress at the INPI

  1. Filing08/02/76
  2. Publication
  3. Examination
  4. Allowance06/01/82
  5. Grant11/30/82
  6. Terminated01/21/92

The patent was granted on 11/30/1982 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: 11/30/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NORANDA MINES LTD

Inventors

C. P. (pessoa física)

H. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/30/1982

RPI 632

Notificação para pagamento de retribuição

#13.1

09/21/1982

RPI 622

Deferimento

#9.1

06/01/1982

RPI 606

Exigência - art. 36 da LPI

#6.1

11/10/1981

RPI 577

Anuidade - prazo legal encerrado

#18.2

01/21/1992

RPI 1103

Patent monitoring

Track this patent in real time.

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