Official data from INPI

DISPOSITIVO ELETRÔNICO.

Em ExigênciaInvention Patent

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Application data

Number

PI8404711

Type

Invention Patent

Filing

09/17/1984

Publication

04/22/1986

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Progress at the INPI

Filing09/17/84
Publication04/22/86
Abandoned05/31/88
Allowance
Grant
In force

The application was abandoned at the INPI. The case ended without a patent and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 09/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ena Indústria e Comércio Ltda

Inventors

L. M. (pessoa física)

Technical data

IPC Classification

H02M 5/06 H03B 5/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

09/05/1989

RPI 985

Solicitação de exame técnico

#4.1

05/31/1988

RPI 919

Publicação do pedido de patente

#3.1

04/22/1986

RPI 809

14.7

10/08/1985

RPI 781

Pedido de patente depositado

#2.1

12/04/1984

RPI 737

11.3

05/01/1990

RPI 1016

From the same holder

ELÉTRICO.

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