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Official data from INPI

PROCESSO DE FILTRACAO DE GAS PARA REMOVER CONTAMINANTES DO MESMO E FILTRO DE LEITO GRANULAR PARA A EXECUCAO DO PROCESSO

ArquivadaInvention Patent
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Application data

Number

PI7800121

Type

Invention Patent

Filing

01/17/1977

Publication

-
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Progress at the INPI

  1. Filing01/17/77
  2. Publication
  3. Examination
  4. Allowance
  5. Abandoned
  6. In force

The application was allowed but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

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Latest action published by the INPI: 03/20/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DUCON CO

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

03/20/1984

RPI 700

Notificação para pagamento de retribuição

#13.1

09/27/1983

RPI 675

Exigência - art. 36 da LPI

#6.1

07/27/1982

RPI 614

Exigência - art. 36 da LPI

#6.1

01/12/1982

RPI 586

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