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Official data from INPI

PROCESSO DE TRATAMENTO DE EFLUENTES QUIMICOS E DOMESTICOS

IndeferidaInvention Patent
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Application data

Number

PI7806547

Type

Invention Patent

Filing

09/26/1978

Publication

-
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Progress at the INPI

Under appeal
  1. Filing09/26/78
  2. Publication
  3. Examination
  4. Refused01/03/84
  5. Grant
  6. In force

The application was refused by the INPI on 01/03/1984. The invention was never patented.

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Latest action published by the INPI: 01/03/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. C. (pessoa física)

S. L. (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

01/03/1984

RPI 689

Conhecimento de parecer técnico

#7.1

02/09/1982

RPI 590

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