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Official data from INPI

FILTRO DE AR EM BANHO DE OLEO PARA VEICULOS AUTOMOTORES

IndeferidaInvention Patent
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Application data

Number

PI7800904

Type

Invention Patent

Filing

02/14/1978

Publication

-
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Progress at the INPI

Under appeal
  1. Filing02/14/78
  2. Publication
  3. Examination
  4. Refused08/10/82
  5. Grant
  6. In force

The application was refused by the INPI on 08/10/1982. The invention was never patented.

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Latest action published by the INPI: 08/10/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PURIAR IND METALURG SA

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

08/10/1982

RPI 616

Conhecimento de parecer técnico

#7.1

01/19/1982

RPI 587

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