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Official data from INPI

APARELHO DE EXPANSAO PARA USO EM SISTEMAS DE COMUNICACAO

Em AnáliseInvention Patent

Application data

Number

PI8501359

Type

Invention Patent

Filing

03/30/1984

Publication

11/19/1985

Progress at the INPI

Under appeal
  1. Filing03/30/84
  2. Publication11/19/85
  3. Examination11/25/86
  4. Refused11/27/90
  5. Grant
  6. In force

The application was refused by the INPI on 11/27/1990. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 11/17/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

INT STANDARD ELECTRIC CORP [US]

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Inventors

C. R. (pessoa física)

D. S. (pessoa física)

M. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

14.1

11/17/1987

RPI 891

Solicitação de exame técnico

#4.1

11/25/1986

RPI 840

Publicação do pedido de patente

#3.1

11/19/1985

RPI 787

Pedido de patente depositado

#2.1

06/18/1985

RPI 765

Indeferimento

#9.2

11/27/1990

RPI 1043

Conhecimento de parecer técnico

#7.1

03/06/1990

RPI 1008

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