Official data from INPI

COMPONENTE INTERNO PARA EMPREGO DETERMINADO.

Em AnáliseUtility Model

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Application data

Number

MU6602479

Type

Utility Model

Filing

12/18/1986

Publication

09/22/1987

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Progress at the INPI

Filing12/18/86
Publication09/22/87
Examination11/03/87
Allowance10/01/91
Grant08/25/92
Expired07/01/08

The letters patent expired on 07/01/2008: 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: 11/03/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Eletrônica Selenium S/A

RS, BR

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Inventors

H. A. (pessoa física)

Technical data

IPC Classification

H04R 7/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/03/1987

RPI 889

Publicação antecipada

#3.2

09/22/1987

RPI 883

Pedido de patente depositado

#2.1

05/05/1987

RPI 863

Carta-patente expirada

#21.1

Patente extinta em 18/12/1996

07/01/2008

RPI 1956

Concessão da patente

#16.1

08/25/1992

RPI 1134

Notificação para pagamento de retribuição

#13.1

02/04/1992

RPI 1105

Deferimento

#9.1

10/01/1991

RPI 1087

Exigência - art. 36 da LPI

#6.1

05/21/1991

RPI 1068

14.4

10/02/1990

RPI 1035

14.7