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

TUBO SEPARADOR DE TURBILHONAMENTO;FILTRO DE AR;E DISPOSITIVO APERFEICOADO PARA A GIRACAO DE UM VERTICE EM UM FLUXO DE AR CARREGADO DE CONTAMINANTES

Em AnáliseInvention Patent

Application data

Number

PI7802749

Type

Invention Patent

Filing

05/05/1977

Publication

-

Progress at the INPI

  1. Filing05/05/77
  2. Publication
  3. Examination
  4. Allowance06/14/83
  5. Grant11/25/86
  6. Terminated05/17/88

The patent was granted on 11/25/1986 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

DONALDSON CO INC

Inventors

K. A. (pessoa física)

S. B. (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

11/25/1986

RPI 840

110

06/17/1986

RPI 817

120

07/03/1984

RPI 715

13.2

11/22/1983

RPI 683

Recurso

#12.1

10/04/1983

RPI 676

Notificação para pagamento de retribuição

#13.1

10/04/1983

RPI 676

Deferimento

#9.1

06/14/1983

RPI 660

Exigência - art. 36 da LPI

#6.1

10/26/1982

RPI 627

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.