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

FILTRO PARA COMBUSTÍVEL.

ConcedidaUtility Model

Application data

Number

MU6301546

Type

Utility Model

Filing

10/18/1983

Publication

05/28/1985

Progress at the INPI

  1. Filing10/18/83
  2. Publication05/28/85
  3. Examination10/15/85
  4. Allowance02/09/88
  5. Grant08/30/88
  6. Expired12/07/93

The letters patent expired on 12/07/1993: 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: 08/30/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. R. (pessoa física)

Inventors

R. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/30/1988

RPI 932

Deferimento

#9.1

02/09/1988

RPI 903

15.5

08/25/1987

RPI 879

Republicação - classificação IPC

#15.11

04/14/1987

RPI 860

Exigência - art. 36 da LPI

#6.1

09/30/1986

RPI 832

Solicitação de exame técnico

#4.1

10/15/1985

RPI 782

Publicação do pedido de patente

#3.1

05/28/1985

RPI 762

Pedido de patente depositado

#2.1

01/10/1984

RPI 690

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

Pedido de licença compulsória

#20.1

07/13/1993

RPI 1180

Patent monitoring

Track this patent in real time.

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