Official data from INPI

APERFEICOAMENTO EM E REFERENTE A APLICACAO DE DIFUSORES DE AR NO PROCESSAMENTO DE LODOS ATIVADOS

ArquivadaInvention Patent

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Application data

Number

PI7901253

Type

Invention Patent

Filing

09/01/1979

Publication

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Progress at the INPI

Filing09/01/79
Publication
Examination
Allowance03/22/83
Abandoned
In force

The application was allowed on 03/22/1983 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: 12/20/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. M. (pessoa física)

Inventors

R. M. (pessoa física)

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

12/20/1983

RPI 687

Notificação para pagamento de retribuição

#13.1

08/02/1983

RPI 667

Deferimento

#9.1

03/22/1983

RPI 648

From the same holder

DISPOSITIVO AERADOR DE IMERSAO APERFEICOAMENTO EM E REFERENTE A VALOR DE OXIDACAO INTEGRADA DIFUSOR DE AR APLICAVEL NO TRATAMENTO DE ESGOTOS SANITARIOS OU INDUSTRIAIS APERFEICOAMENTO EM E REFERENTE AO SISTEMA DE INFILTRACAO DOS EFLUENTES DE FOSSAS SEPTICAS

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