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Official data from INPI

Filtro previsto em alojamento de encaixe com dispositivos de troca e de proteção contra contaminação, e processo para a separação de substância nocivas a saúde de ar de respiração ou trabalho, em instalação nucleares.

IndeferidaInvention Patent
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Application data

Number

PI7908036

Type

Invention Patent

Filing

12/10/1979

Publication

-
View on INPI

Progress at the INPI

Under appeal
  1. Filing12/10/79
  2. Publication
  3. Examination06/07/83
  4. Refused04/16/85
  5. Grant
  6. In force

The application was refused by the INPI on 04/16/1985. The invention was never patented.

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Latest action published by the INPI: 04/16/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Delbag - Luftfilter G.M.B.H

Inventors

N. G. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

04/16/1985

RPI 756

Solicitação de exame técnico

#4.1

06/07/1983

RPI 659

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