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Official data from INPI

MECÂNICA UTILIZADA EM CONVERSORES.

IndeferidaInvention Patent

Application data

Number

PI7904577

Type

Invention Patent

Filing

07/16/1979

Publication

-

Progress at the INPI

Under appeal
  1. Filing07/16/79
  2. Publication
  3. Examination
  4. Refused03/16/82
  5. Grant
  6. In force

The application was refused by the INPI on 03/16/1982. The invention was never patented.

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Latest action published by the INPI: 03/16/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Telecomunicações Brasileiras S/A - Telebrás

SP, BR

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

03/16/1982

RPI 595

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