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Official data from INPI

DISPOSIÇÕES INTRODUZIDAS EM TECLADO PARA INSTRUMENTOS MUSICAIS

PublicadaUtility Model

Application data

Number

MU6901656

Type

Utility Model

Filing

08/22/1989

Publication

11/21/1989

Progress at the INPI

  1. Filing08/22/89
  2. Publication11/21/89
  3. Examination04/17/90
  4. Allowance01/18/94
  5. Grant03/01/95
  6. Expired11/20/01

The letters patent expired on 11/20/2001: 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: 11/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Teclasom Industria e Comércio Ltda - ME

SP, BR

Inventors

M. V. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação antecipada

#3.2

11/21/1989

RPI 996

Pedido de patente depositado

#2.1

11/07/1989

RPI 994

Carta-patente expirada

#21.1

Patente extinta em 22/08/1999 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).

11/20/2001

RPI 1611

Concessão da patente

#16.1

03/01/1995

RPI 1265

6.4

06/14/1994

RPI 1228

Exigência - art. 36 da LPI

#6.1

01/18/1994

RPI 1207

Deferimento

#9.1

01/18/1994

RPI 1207

14.1

07/20/1993

RPI 1181

Solicitação de exame técnico

#4.1

04/17/1990

RPI 1014

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