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Official data from INPI

SISTEMA MULTIPLEX QUE COMPREENDE CONTROLADOR MESTRE.

PublicadaInvention Patent
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Application data

Number

PI8701073

Type

Invention Patent

Filing

03/09/1987

Publication

12/29/1987
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Progress at the INPI

  1. Filing03/09/87
  2. Publication12/29/87
  3. Abandoned06/19/90
  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: 12/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. I. (pessoa física)

US

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Inventors

D. G. (pessoa física)

Technical data

IPC Classification

H04J 3/06H04L 25/08

Priority claims

US

837,935 · 03/10/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/29/1987

RPI 897

Pedido de patente depositado

#2.1

06/16/1987

RPI 869

Arquivamento - Art. 36 §1° da LPI

#11.2

03/23/1993

RPI 1164

Republicação - classificação IPC

#15.11

12/08/1992

RPI 1149

Republicação - classificação IPC

#15.11

10/06/1992

RPI 1140

Exigência - art. 36 da LPI

#6.1

11/12/1991

RPI 1093

Solicitação de exame técnico

#4.1

06/19/1990

RPI 1023

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