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Official data from INPI

PROCESSO E DISPOSITIVO DE FILTRAGEM DE GASES OU LIQUIDOS

IndeferidaInvention Patent
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Application data

Number

PI7908985

Type

Invention Patent

Filing

09/05/1978

Publication

-
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Progress at the INPI

Under appeal
  1. Filing09/05/78
  2. Publication
  3. Examination06/08/82
  4. Refused09/13/88
  5. Grant
  6. In force

The application was refused by the INPI on 09/13/1988. The invention was never patented.

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Latest action published by the INPI: 09/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. T. (pessoa física)

N. F. (pessoa física)

P. P. (pessoa física)

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

09/13/1988

RPI 934

Conhecimento de parecer técnico

#7.1

12/08/1987

RPI 894

Solicitação de exame técnico

#4.1

06/08/1982

RPI 607

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