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

UM FILTRO PARA GASOLINA

Em AnáliseInvention Patent

Application data

Number

PI7408685

Type

Invention Patent

Filing

10/18/1974

Publication

-

Progress at the INPI

  1. Filing10/18/74
  2. Publication
  3. Examination
  4. Allowance
  5. Grant02/24/82
  6. Expired08/10/93

The letters patent expired on 08/10/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 02/08/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. D. (pessoa física)

Inventors

E. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.7

02/08/1989

RPI 955

20.7

02/20/1985

RPI 748

20.4

06/19/1984

RPI 713

Concessão da patente

#16.1

02/24/1982

RPI 592

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era B67D 5/58.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

08/10/1993

RPI 1184

Patent monitoring

Track this patent in real time.

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