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

PROCESSO PARA EXTRAIR OURO E URANIO DE UM MINERIO CONTENDO OS MESMOS

ConcedidaInvention Patent

Application data

Number

PI7802430

Type

Invention Patent

Filing

04/18/1978

Publication

-

Progress at the INPI

  1. Filing04/18/78
  2. Publication
  3. Examination
  4. Allowance02/21/84
  5. Grant08/28/84
  6. Terminated01/28/92

The patent was granted on 08/28/1984 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: 08/28/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ANGLO AMER CORP SOUTH AFRICA

Inventors

D. R. (pessoa física)

J. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

06/12/1984

RPI 712

Deferimento

#9.1

02/21/1984

RPI 696

Exigência - art. 36 da LPI

#6.1

05/10/1983

RPI 655

Exigência - art. 36 da LPI

#6.1

03/30/1982

RPI 597

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

Patent monitoring

Track this patent in real time.

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