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Official data from INPI

TELEFONE MULTILINHA

Prazo de SigiloUtility Model
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Application data

Number

MU6900503

Type

Utility Model

Filing

03/29/1989

Publication

02/13/1991
View on INPI

Progress at the INPI

  1. Filing03/29/89
  2. Publication02/13/91
  3. Examination08/20/91
  4. Allowance
  5. Grant
  6. In force

Published on 02/13/1991, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 05/16/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. T. (pessoa física)

SP, BR

D. D. (pessoa física)

SP, BR

R. K. (pessoa física)

SP, BR

S. C. (pessoa física)

SP, BR

Inventors

A. T. (pessoa física)

BR

D. D. (pessoa física)

BR

R. K. (pessoa física)

BR

S. C. (pessoa física)

BR

Technical data

IPC Classification

H04M 5/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

05/16/1989

RPI 969

Retificação

#15.3

03/02/1993

RPI 1161

Solicitação de exame técnico

#4.1

08/20/1991

RPI 1081

Publicação do pedido de patente

#3.1

02/13/1991

RPI 1054

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