Official data from INPI

DISPOSIÇÃO INTRODUZIDA EM TRANSDUTOR DE ULTRA-SOM DE BAIXA POTÊNCIA

PublicadaUtility Model

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Application data

Number

MU6802658

Type

Utility Model

Filing

12/02/1988

Publication

08/29/1989

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Progress at the INPI

Under appeal

Filing12/02/88
Publication08/29/89
Examination02/13/90
Refused06/23/92
Grant
In force

The application was refused by the INPI on 06/23/1992. The invention was never patented.

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Latest action published by the INPI: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Eletro Vinte Indústria Eletroeletrônica Ltda

SP, BR

Inventors

E. M. (pessoa física)

Technical data

IPC Classification

H04R 23/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação antecipada

#3.2

08/29/1989

RPI 984

Pedido de patente depositado

#2.1

05/30/1989

RPI 971

Republicação - classificação IPC

#15.11

09/22/1992

RPI 1138

Indeferimento

#9.2

06/23/1992

RPI 1125

14.4

12/18/1990

RPI 1046

Solicitação de exame técnico

#4.1

02/13/1990

RPI 1006

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