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Official data from INPI

FILTRO PARA ÓLEO COMBUSTÍVEL

ConcedidaUtility Model

Application data

Number

MU6201836

Type

Utility Model

Filing

11/11/1982

Publication

06/12/1984

Progress at the INPI

  1. Filing11/11/82
  2. Publication06/12/84
  3. Examination02/20/85
  4. Allowance11/29/88
  5. Grant08/29/89
  6. Expired11/15/94

The letters patent expired on 11/15/1994: 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J. M. (pessoa física)

SP, BR

Inventors

J. M. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

04/25/1989

RPI 966

Deferimento

#9.1

11/29/1988

RPI 945

15.10

09/20/1988

RPI 935

Conhecimento de parecer técnico

#7.1

11/19/1985

RPI 787

Solicitação de exame técnico

#4.1

02/20/1985

RPI 748

Publicação do pedido de patente

#3.1

06/12/1984

RPI 712

Carta-patente expirada

#21.1

11/15/1994

RPI 1250

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