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Official data from INPI

SISTEMA MULTIPLEXADOR POR DIVISAO DE TEMPO

ArquivadaInvention Patent

Application data

Number

PI8402889

Type

Invention Patent

Filing

07/13/1983

Publication

05/21/1985

Progress at the INPI

  1. Filing07/13/83
  2. Publication05/21/85
  3. Abandoned12/02/86
  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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

INT STANDARD ELECTRIC CORP [US]

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Inventors

B. J. (pessoa física)

O. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

09/26/1989

RPI 988

Exigência - art. 36 da LPI

#6.1

03/21/1989

RPI 961

14.1

11/17/1987

RPI 891

Solicitação de exame técnico

#4.1

12/02/1986

RPI 841

Publicação do pedido de patente

#3.1

05/21/1985

RPI 761

Pedido de patente depositado

#2.1

08/14/1984

RPI 721

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