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Official data from INPI

EQUIPAMENTO DE PARETILHAMENTO DE LINHA TELEFÔNICA COM OU SEM TARIFAÇÃO INDIVIDUALIZADA COM TRANSFERÊNCIA E SIGILO.

Em AnáliseInvention Patent

Application data

Number

PI8600827

Type

Invention Patent

Filing

01/31/1986

Publication

09/08/1987

Progress at the INPI

Under appeal
  1. Filing01/31/86
  2. Publication09/08/87
  3. Examination02/17/88
  4. Refused04/09/91
  5. Grant
  6. In force

The application was refused by the INPI on 04/09/1991. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 02/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ACS S/A Eletrônica e Comunicações

Inventors

C. T. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

02/17/1988

RPI 904

Publicação do pedido de patente

#3.1

09/08/1987

RPI 881

Pedido de patente depositado

#2.1

08/12/1986

RPI 825

Indeferimento

#9.2

04/09/1991

RPI 1062

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