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

TRANSDUTOR MAGNÉTICO DE EXPLORAÇÃO ELETROMAGNETICAMENTE CONTROLADO

Em ExigênciaInvention Patent

Application data

Number

PI8503735

Type

Invention Patent

Filing

08/07/1985

Publication

05/13/1986

Progress at the INPI

  1. Filing08/07/85
  2. Publication05/13/86
  3. Examination05/10/88
  4. Allowance08/06/91
  5. Grant02/18/92
  6. Terminated08/08/95

The patent was granted on 02/18/1992 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. C. (pessoa física)

US

Inventors

B. G. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

641.817 · 08/16/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

6.2

05/30/1989

RPI 971

Solicitação de exame técnico

#4.1

05/10/1988

RPI 916

Publicação do pedido de patente

#3.1

05/13/1986

RPI 812

Pedido de patente depositado

#2.1

10/15/1985

RPI 782

Anuidade - prazo legal encerrado

#18.2

08/08/1995

RPI 1288

Concessão da patente

#16.1

02/18/1992

RPI 1107

Deferimento

#9.1

08/06/1991

RPI 1079

Patent monitoring

Track this patent in real time.

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