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Official data from INPI

FILTRO DE OLEO

Em AnáliseUtility Model

Application data

Number

MU5601179

Type

Utility Model

Filing

10/06/1976

Publication

-

Progress at the INPI

  1. Filing10/06/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  6. Invalidated01/04/83

The patent was invalidated by the INPI in an administrative invalidity proceeding. Protection no longer exists.

Talk to a specialist

Latest action published by the INPI: 01/04/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DALL ANESE METALURG LTD

Inventors

D. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

200

01/04/1983

RPI 637

Pedido de licença voluntária

#17.1

07/20/1982

RPI 613

16.3

03/30/1982

RPI 597

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