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Official data from INPI

EQUALIZADOR PARA CABO DE QUADRAS PARA AS FAIXAS DE FREQUENCIAS DE 6KHZ A 108KHZ E 60KHZ A 300KHZ

IndeferidaUtility Model
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Application data

Number

MU6200577

Type

Utility Model

Filing

04/30/1982

Publication

08/31/1982
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Progress at the INPI

Under appeal
  1. Filing04/30/82
  2. Publication08/31/82
  3. Examination12/14/82
  4. Refused01/13/87
  5. Grant
  6. In force

The application was refused by the INPI on 01/13/1987. The invention was never patented.

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Latest action published by the INPI: 01/13/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TELEMIG [BR]

Inventors

N. A. (pessoa física)

P. F. (pessoa física)

Technical data

IPC Classification

H04B 3/04

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

01/13/1987

RPI 847

Conhecimento de parecer técnico

#7.1

02/25/1986

RPI 801

Conhecimento de parecer técnico

#7.1

03/05/1985

RPI 750

Solicitação de exame técnico

#4.1

12/14/1982

RPI 634

Publicação antecipada

#3.2

08/31/1982

RPI 619

Pedido de patente depositado

#2.1

06/15/1982

RPI 608

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