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Official data from INPI

APERFEICOAMENTOS NO SISTEMA DE ASPIRACAO DO PO DA PARTE INFERIOR DAS CARDAS

IndeferidaInvention Patent
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Application data

Number

PI7706460

Type

Invention Patent

Filing

09/27/1977

Publication

-
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Progress at the INPI

Under appeal
  1. Filing09/27/77
  2. Publication
  3. Examination
  4. Refused02/26/85
  5. Grant
  6. In force

The application was refused by the INPI on 02/26/1985. The invention was never patented.

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Latest action published by the INPI: 02/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MOREIRA & CIA LTD

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

02/26/1985

RPI 749

Retificação de parecer técnico

#7.3

03/27/1984

RPI 701

Conhecimento de parecer técnico

#7.1

10/27/1981

RPI 575

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