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

DISPOSITIVO PARA EMITIR SOM

ConcedidaUtility Model

Application data

Number

MU6301826

Type

Utility Model

Filing

12/05/1983

Publication

05/29/1984

Progress at the INPI

  1. Filing12/05/83
  2. Publication05/29/84
  3. Examination08/21/84
  4. Allowance01/06/87
  5. Grant08/25/87
  6. Expired09/27/94

The letters patent expired on 09/27/1994: 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: 08/25/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BALILA IND REUNIDAS [BR]

See this company's full portfolio

Inventors

A. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/25/1987

RPI 879

Notificação para pagamento de retribuição

#13.1

06/09/1987

RPI 868

Deferimento

#9.1

01/06/1987

RPI 846

15.8

07/29/1986

RPI 823

Exigência - art. 36 da LPI

#6.1

11/19/1985

RPI 787

Solicitação de exame técnico

#4.1

08/21/1984

RPI 722

Publicação antecipada

#3.2

05/29/1984

RPI 710

Pedido de patente depositado

#2.1

02/21/1984

RPI 696

Carta-patente expirada

#21.1

09/27/1994

RPI 1243

Patent monitoring

Track this patent in real time.

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