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

PROCESSO E INSTALACAO DE REGENERACAO DA CAMADA FILTRANTE DE UMA CENTRIFUGA DESCORTICANTE

Em AnáliseInvention Patent

Application data

Number

PI7801069

Type

Invention Patent

Filing

02/22/1977

Publication

-

Progress at the INPI

  1. Filing02/22/77
  2. Publication
  3. Examination
  4. Allowance
  5. Grant04/26/83
  6. Terminated06/14/88

The patent was granted on 04/26/1983 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

ESCHER WYSS AG

See this company's full portfolio

Inventors

S. L. (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

04/26/1983

RPI 653

Notificação para pagamento de retribuição

#13.1

01/11/1983

RPI 638

Exigência - art. 36 da LPI

#6.1

01/19/1982

RPI 587

Patent monitoring

Track this patent in real time.

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