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

DISPOSITIVO PARA A INTRODUCAO DOSADA DE UM LIQUIDO ADICIONAL EM UM LIQUIDO PRINCIPAL BEM COMO PROCESSO PARA OPERACAO DO MESMO

Em AnáliseInvention Patent

Application data

Number

PI7805524

Type

Invention Patent

Filing

08/26/1977

Publication

-

Progress at the INPI

  1. Filing08/26/77
  2. Publication
  3. Examination
  4. Allowance04/05/83
  5. Grant10/25/83
  6. Terminated06/14/88

The patent was granted on 10/25/1983 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LANG APPARATEBAU GMBH

Inventors

E. W. (pessoa física)

K. J. (pessoa física)

S. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

Concessão da patente

#16.1

10/25/1983

RPI 679

Notificação para pagamento de retribuição

#13.1

08/30/1983

RPI 671

Deferimento

#9.1

04/05/1983

RPI 650

Exigência - art. 36 da LPI

#6.1

07/27/1982

RPI 614

6.2

12/22/1981

RPI 583

Patent monitoring

Track this patent in real time.

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