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

DISPOSIÇÃO CONSTRUTIVA DE TECLADO PARA INSTRUMENTOS MUSICAIS

ConcedidaUtility Model

Application data

Number

MU6401799

Type

Utility Model

Filing

10/30/1984

Publication

01/28/1986

Progress at the INPI

  1. Filing10/30/84
  2. Publication01/28/86
  3. Examination05/06/86
  4. Allowance05/10/88
  5. Grant09/26/89
  6. Expired11/22/94

The letters patent expired on 11/22/1994: 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Eletrônica Hamelin Ltda

SP, BR

See this company's full portfolio

Inventors

A. H. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

05/23/1989

RPI 970

110

02/28/1989

RPI 958

Recurso

#12.1

09/20/1988

RPI 935

Recurso

#12.1

08/23/1988

RPI 931

Deferimento

#9.1

05/10/1988

RPI 916

Retificação

#15.6

03/08/1988

RPI 907

Retificação

#15.3

11/24/1987

RPI 892

Exigência - art. 36 da LPI

#6.1

02/10/1987

RPI 851

Solicitação de exame técnico

#4.1

05/06/1986

RPI 811

Publicação antecipada

#3.2

01/28/1986

RPI 797

Pedido de patente depositado

#2.1

01/22/1985

RPI 744

Carta-patente expirada

#21.1

11/22/1994

RPI 1251

Pedido de licença compulsória

#20.1

12/03/1991

RPI 1096

Patent monitoring

Track this patent in real time.

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