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Official data from INPI

DISPOSITIVO ELETRONICO DIGITAL DE TRANSMISSAO FONICA PRE-PROGRAMADA

ArquivadaInvention Patent
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Application data

Number

PI7800765

Type

Invention Patent

Filing

02/08/1978

Publication

-
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Progress at the INPI

  1. Filing02/08/78
  2. Publication
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned at the INPI. The case ended without a patent and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 01/11/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TELESPARKER LTD SERVICOS GERAI

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

11.3

01/11/1983

RPI 638

Exigência - art. 36 da LPI

#6.1

06/01/1982

RPI 606

15.0

02/16/1982

RPI 591

Exigência - art. 36 da LPI

#6.1

12/29/1981

RPI 584

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