Official data from INPI

TUBO PROTETOR PARA ISOLADORES DE PRECIPITADOR ELETROSTATICO

IndeferidaInvention Patent

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Application data

Number

PI7902593

Type

Invention Patent

Filing

04/27/1979

Publication

View on INPI

Progress at the INPI

Under appeal

Filing04/27/79
Publication
Examination08/17/82
Refused12/02/86
Grant
In force

The application was refused by the INPI on 12/02/1986. The invention was never patented.

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Latest action published by the INPI: 12/02/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ENVIRONMENTAL ELEMENTS CORP

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

12/02/1986

RPI 841

Exigência - art. 36 da LPI

#6.1

12/20/1983

RPI 687

Conhecimento de parecer técnico

#7.1

03/29/1983

RPI 649

Solicitação de exame técnico

#4.1

08/17/1982

RPI 617

From the same holder

CONJUNTO DE CONTROLE DE VOLUME VARIAVEL APERFEICOADO APERFEICOAMENTO EM PRECIPITADOR ELETROSTATICO

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