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

APARELHO TRANSDUTOR ELETROACÚSTICO

Em AnáliseInvention Patent

Application data

Number

PI8303804

Type

Invention Patent

Filing

07/15/1983

Publication

02/26/1985

Progress at the INPI

  1. Filing07/15/83
  2. Publication02/26/85
  3. Examination02/24/87
  4. Allowance07/18/89
  5. Grant02/06/90
  6. Terminated04/09/96

The patent was granted on 02/06/1990 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: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Magnavox Electronic Systems Company

US

Magnavox Government and Industrial Electronics Company

US

Inventors

R. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

11/14/1989

RPI 995

Deferimento

#9.1

07/18/1989

RPI 978

Exigência - art. 36 da LPI

#6.1

12/27/1988

RPI 949

Exigência - art. 36 da LPI

#6.1

05/31/1988

RPI 919

Solicitação de exame técnico

#4.1

02/24/1987

RPI 853

Publicação do pedido de patente

#3.1

02/26/1985

RPI 749

Pedido de patente depositado

#2.1

09/20/1983

RPI 674

Anuidade - prazo legal encerrado

#18.2

04/09/1996

RPI 1323

20.4

03/08/1994

RPI 1214

Concessão da patente

#16.1

02/06/1990

RPI 1005

Patent monitoring

Track this patent in real time.

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