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Official data from INPI

FILTRO DE COMBUSTIVEL PARA VEICULOS

ConcedidaUtility Model

Application data

Number

MU6401902

Type

Utility Model

Filing

11/14/1984

Publication

03/26/1985

Progress at the INPI

  1. Filing11/14/84
  2. Publication03/26/85
  3. Examination07/02/85
  4. Allowance03/15/88
  5. Grant10/25/88
  6. Expired01/31/95

The letters patent expired on 01/31/1995: 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: 10/25/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

JOAO RODRIGUES [BR]

Inventors

R. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/25/1988

RPI 940

Notificação para pagamento de retribuição

#13.1

07/19/1988

RPI 926

Deferimento

#9.1

03/15/1988

RPI 908

Exigência - art. 36 da LPI

#6.1

08/04/1987

RPI 876

Conhecimento de parecer técnico

#7.1

01/06/1987

RPI 846

Solicitação de exame técnico

#4.1

07/02/1985

RPI 767

Publicação antecipada

#3.2

03/26/1985

RPI 753

Pedido de patente depositado

#2.1

02/12/1985

RPI 747

Carta-patente expirada

#21.1

01/31/1995

RPI 1261

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