Official data from INPI

CHAVE ELÉTRICA INTERRUPTORA COM DUPLO NÍVEL DE POTÊNCIA FORNECIDA

Arquivada/ExtintaUtility Model

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Application data

Number

MU7001147

Type

Utility Model

Filing

07/02/1990

Publication

12/11/1990

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Progress at the INPI

Filing07/02/90
Publication12/11/90
Examination02/26/91
Allowance11/14/95
Grant10/29/96
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: 07/01/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. C. (pessoa física)

SP, BR

Inventors

M. C. (pessoa física)

Technical data

IPC Classification

H01H 23/28

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 02/07/2000

07/01/2008

RPI 1956

Concessão da patente

#16.1

10/29/1996

RPI 1352

Notificação para pagamento de retribuição

#13.1

03/19/1996

RPI 1320

Deferimento

#9.1

11/14/1995

RPI 1302

Solicitação de exame técnico

#4.1

02/26/1991

RPI 1056

Publicação antecipada

#3.2

12/11/1990

RPI 1045

Pedido de patente depositado

#2.1

10/16/1990

RPI 1037

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