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Official data from INPI

APARELHO GRAVADOR E OU/REPRODUTOR DE CARTOES MAGNETICOS

IndeferidaInvention Patent

Application data

Number

PI7807740

Type

Invention Patent

Filing

11/24/1978

Publication

-

Progress at the INPI

Under appeal
  1. Filing11/24/78
  2. Publication
  3. Examination06/29/82
  4. Refused03/15/83
  5. Grant
  6. In force

The application was refused by the INPI on 03/15/1983. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 03/15/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SONY CORP

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Inventors

No inventors listed.

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

03/15/1983

RPI 647

Solicitação de exame técnico

#4.1

06/29/1982

RPI 610

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: G11B 5/80; G10L 1/08; G11B 5/00.

03/27/2018

RPI 2464

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