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Official data from INPI

DISPOSICAO DE COMUTACAO DIGITAL E PERMUTA DE TELECOMUNICACOES

ArquivadaInvention Patent

Application data

Number

PI7807557

Type

Invention Patent

Filing

11/18/1977

Publication

-

Progress at the INPI

  1. Filing11/18/77
  2. Publication
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 10/11/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PLESSEY CO LTD

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Inventors

M. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

10/11/1983

RPI 677

6.2

02/16/1983

RPI 643

14.4

10/26/1982

RPI 627

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