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Official data from INPI

SISTEMA DE TRANSMISSAO DE SINAL DIGITAL

ArquivadaInvention Patent

Application data

Number

PI7808294

Type

Invention Patent

Filing

12/21/1977

Publication

-

Progress at the INPI

  1. Filing12/21/77
  2. Publication
  3. Examination
  4. Allowance07/19/83
  5. Abandoned
  6. In force

The application was allowed on 07/19/1983 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 04/23/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SIEMENS SPA ITALIANA

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Inventors

No inventors listed.

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

04/23/1985

RPI 757

Notificação para pagamento de retribuição

#13.1

11/16/1983

RPI 682

Deferimento

#9.1

07/19/1983

RPI 665

15.0

03/30/1982

RPI 597

Exigência - art. 36 da LPI

#6.1

01/12/1982

RPI 586

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