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Official data from INPI

NODO DE COMUTAÇÃO DISTRIBUÍDA DE FAIXA VARIÁVEL PARA REDE INTEGRADA DE SERVIÇOS.

Em ExigênciaInvention Patent

Application data

Number

PI8403913

Type

Invention Patent

Filing

08/03/1984

Publication

07/09/1985

Progress at the INPI

  1. Filing08/03/84
  2. Publication07/09/85
  3. Abandoned01/28/86
  4. Allowance
  5. Grant
  6. In force

The application was abandoned at the INPI. The case ended without a patent and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cselt Centro Studi e Laboratori Telecomunicazioni S.p.a.

IT

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Inventors

L. G. (pessoa física)

M. S. (pessoa física)

IT

N. L. (pessoa física)

Technical data

IPC Classification

Priority claims

IT

67845-A/80 · 08/04/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

10/03/1989

RPI 989

Solicitação de exame técnico

#4.1

01/28/1986

RPI 797

Publicação do pedido de patente

#3.1

07/09/1985

RPI 768

Pedido de patente depositado

#2.1

10/09/1984

RPI 729

11.3

08/07/1990

RPI 1027

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