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Official data from INPI

DISPOSIÇÃO INTRODUZIDA EM GUIA DE EIXO DE ARTICULAÇÃO PARA MECANISMO DAS CHAVES DE INSTRUMENTO MUSICAL

PublicadaUtility Model

Application data

Number

MU6900974

Type

Utility Model

Filing

06/15/1989

Publication

09/12/1989

Progress at the INPI

  1. Filing06/15/89
  2. Publication09/12/89
  3. Examination03/06/90
  4. Allowance02/01/94
  5. Grant10/25/94
  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.

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Latest action published by the INPI: 09/12/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Weril Instrumentos Musicais Ltda

SP, BR

See this company's full portfolio

Inventors

R. W. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação antecipada

#3.2

09/12/1989

RPI 986

Pedido de patente depositado

#2.1

07/25/1989

RPI 979

Carta-patente expirada

#21.1

Patente extinta em 15/06/1999 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).

11/20/2001

RPI 1611

Concessão da patente

#16.1

10/25/1994

RPI 1247

Notificação para pagamento de retribuição

#13.1

05/24/1994

RPI 1225

Deferimento

#9.1

02/01/1994

RPI 1209

Solicitação de exame técnico

#4.1

03/06/1990

RPI 1008

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