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Official data from INPI

PROCESSO DE COMUTACAO DE SINAIS MULTIPLEXADOS TEMPORALMENTE E TRANSMITIDOS POR UMA ONDA PORTADORA,EM PARTICULAR UMA ONDA LUMINOSA,E DISPOSITIVO DE EXECUCAO

ArquivadaInvention Patent
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Application data

Number

PI8006546

Type

Invention Patent

Filing

10/10/1979

Publication

-
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Progress at the INPI

  1. Filing10/10/79
  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: 01/17/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

THOMSON CSF MAT TEL [FR]

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

01/17/1984

RPI 691

Exigência - art. 36 da LPI

#6.1

08/02/1983

RPI 667

Pedido de certificado de adição de invenção

#5.1

11/17/1981

RPI 578

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