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

PROCESSO E DISPOSITIVO PARA SEPARACAO DE UMA MISTURA DE GRANULACOES MINERAIS NUM MEIO AQUOSO

Em AnáliseInvention Patent
Talk to an expert

Application data

Number

PI7604967

Type

Invention Patent

Filing

07/28/1975

Publication

-
View on INPI

Progress at the INPI

  1. Filing07/28/75
  2. Publication
  3. Examination
  4. Allowance02/02/82
  5. Grant
  6. Terminated11/17/87

The patent was granted 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: 11/17/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. K. (pessoa física)

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/17/1987

RPI 891

Notificação para pagamento de retribuição

#13.1

06/01/1982

RPI 606

Deferimento

#9.1

02/02/1982

RPI 589

Patent monitoring

Track this patent in real time.

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