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Official data from INPI

Equipamento digital para discagem direta a ramal em centro particular de comutação telefônica.

Em AnáliseUtility Model

Application data

Number

MU6301751

Type

Utility Model

Filing

11/23/1983

Publication

04/17/1984

Progress at the INPI

  1. Filing11/23/83
  2. Publication04/17/84
  3. Abandoned03/26/85
  4. Allowance
  5. Grant
  6. In force

The applicant withdrew the application. The case ended without a patent.

Talk to a specialist

Latest action published by the INPI: 08/02/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Empresa Brasileira de Telecomunicações S/A - EMBRATEL

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Inventors

B. S. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

10.1

08/02/1988

RPI 928

Indeferimento

#9.2

04/26/1988

RPI 914

Conhecimento de parecer técnico

#7.1

07/15/1986

RPI 821

Pedido de certificado de adição de invenção

#5.1

08/27/1985

RPI 775

Solicitação de exame técnico

#4.1

03/26/1985

RPI 753

Publicação antecipada

#3.2

04/17/1984

RPI 704

Pedido de patente depositado

#2.1

02/07/1984

RPI 694

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