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

Detector de corrente defeituosa e processo para detectar corrente defeituosa em uma linha de força que alimenta corrente alternada.

Em AnáliseInvention Patent

Application data

Number

PI8602235

Type

Invention Patent

Filing

05/16/1986

Publication

01/13/1987

Progress at the INPI

Technical opinion to answer
  1. Filing05/16/86
  2. Publication01/13/87
  3. Examination08/23/88
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

Leave your contact and we will alert you

We track INPI publications and let you know as soon as this case moves.

We use your details only for this alert.

Latest action published by the INPI: 08/23/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. C. (pessoa física)

GB

Inventors

D. A. (pessoa física)

GB

I. J. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

8512746 · 05/20/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/23/1988

RPI 931

Publicação do pedido de patente

#3.1

01/13/1987

RPI 847

Pedido de patente depositado

#2.1

11/11/1986

RPI 838

Retificação

#15.3

11/05/1991

RPI 1092

Conhecimento de parecer técnico

#7.1

09/03/1991

RPI 1083

Patent monitoring

Track this patent in real time.

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