Official data from INPI

DISPOSICAO INTRODUZIDA EM INTERRUPTOR ELETRICO

ConcedidaUtility Model

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Application data

Number

MU6400227

Type

Utility Model

Filing

02/13/1984

Publication

06/26/1984

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Progress at the INPI

Filing02/13/84
Publication06/26/84
Examination09/04/84
Allowance09/30/86
Grant08/25/87
Expired10/04/94

The letters patent expired on 10/04/1994: 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: 08/25/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

OLEMAR DE SOUZA CASTRO [BR]

Inventors

C. [. (pessoa física)

Technical data

IPC Classification

H01H 23/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/25/1987

RPI 879

Notificação para pagamento de retribuição

#13.1

03/04/1987

RPI 854

Deferimento

#9.1

09/30/1986

RPI 832

Exigência - art. 36 da LPI

#6.1

02/12/1986

RPI 799

Solicitação de exame técnico

#4.1

09/04/1984

RPI 724

Publicação antecipada

#3.2

06/26/1984

RPI 714

Pedido de patente depositado

#2.1

05/08/1984

RPI 707

Carta-patente expirada

#21.1

10/04/1994

RPI 1244

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EXTENSAO DISPOSITIVO PARA DERIVACAO DE FIOS ELETRICOS DISPOSICAO APLICADA A EXTENSAO PARA TOMADA DE FORCA

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