Official data from INPI

ELÉTRICO.

ConcedidaUtility Model

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Application data

Number

MU6402054

Type

Utility Model

Filing

12/17/1984

Publication

07/02/1985

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Progress at the INPI

Filing12/17/84
Publication07/02/85
Examination10/01/85
Allowance07/21/87
Grant04/26/88
Expired06/13/95

The letters patent expired on 06/13/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ena Indústria e Comércio Ltda

Inventors

E. A. (pessoa física)

Technical data

IPC Classification

H01J 1/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/26/1988

RPI 914

Notificação para pagamento de retribuição

#13.1

11/24/1987

RPI 892

Deferimento

#9.1

07/21/1987

RPI 874

14.7

05/27/1986

RPI 814

Solicitação de exame técnico

#4.1

10/01/1985

RPI 780

Publicação antecipada

#3.2

07/02/1985

RPI 767

Pedido de patente depositado

#2.1

03/19/1985

RPI 752

Carta-patente expirada

#21.1

06/13/1995

RPI 1280

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DISPOSITIVO ELETRÔNICO.

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