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

PROCESSO PARA SEPARACAO DE MATERIAIS A GRANEL EM GRAO,DE DENSIDADES DISTINTAS,EM CAMADAS TURBULENTAS FORMADAS POR MEIOS EM FORMA DE GAS OU LIQUIDO

Em AnáliseInvention Patent

Application data

Number

PI7800457

Type

Invention Patent

Filing

01/26/1977

Publication

-

Progress at the INPI

  1. Filing01/26/77
  2. Publication
  3. Examination
  4. Allowance12/01/81
  5. Grant08/31/82
  6. Terminated05/17/88

The patent was granted on 08/31/1982 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

STEINMUELLER GMBH L & C

See this company's full portfolio

Inventors

L. K. (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

08/31/1982

RPI 619

Notificação para pagamento de retribuição

#13.1

04/13/1982

RPI 599

15.0

04/06/1982

RPI 598

Deferimento

#9.1

12/01/1981

RPI 580

Patent monitoring

Track this patent in real time.

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