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Official data from INPI

PROCESSO PARA A TRANSMISSAO DE DADOS E CRITERIOS DE CONEXAO ENTRE ASSINANTES E UMA CENTRAL DE UMA REDE DE DADOS PARA TRANSMISSAO DE MULTIPLEX TEMPORAL BEM COMO DISPOSICAO DE CIRCUITO PARA A REALIZACAO DO MESMO

ArquivadaInvention Patent

Application data

Number

PI7803903

Type

Invention Patent

Filing

06/21/1977

Publication

-

Progress at the INPI

  1. Filing06/21/77
  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: 03/20/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SIEMENS AG

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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).

Arquivamento - Art. 36 §1° da LPI

#11.2

03/20/1984

RPI 700

8.1

08/09/1983

RPI 668

Notificação para pagamento de retribuição

#13.1

06/01/1982

RPI 606

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