(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

DISPOSIÇÃO INTRODUZIDA EM TRANSFORMADOR PARA ISOLAÇÃO GALVÂNICA

Em AnáliseUtility Model
Talk to an expert

Application data

Number

MU6800969

Type

Utility Model

Filing

05/04/1988

Publication

11/08/1988
View on INPI

Progress at the INPI

  1. Filing05/04/88
  2. Publication11/08/88
  3. Examination01/31/89
  4. Allowance11/16/93
  5. Grant05/31/94
  6. Expired09/25/01

The letters patent expired on 09/25/2001: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 01/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sense Eletrônica Telefonia e Teleprocessamento Ltda

SP, BR

Inventors

A. S. (pessoa física)

BR

Technical data

IPC Classification

H01F 17/06H01F 27/36

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

01/31/1989

RPI 954

Pedido de patente depositado

#2.1

11/08/1988

RPI 942

Publicação antecipada

#3.2

11/08/1988

RPI 942

Carta-patente expirada

#21.1

Patente extinta em 04/05/98 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).

09/25/2001

RPI 1603

Concessão da patente

#16.1

05/31/1994

RPI 1226

Deferimento

#9.1

11/16/1993

RPI 1198

Related

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.