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Official data from INPI

DISPOSIÇÃO INTRODUZIDA EM INSTRUMENTO DE PERCUSSÃO

Arquivada/ExtintaUtility Model

Application data

Number

MU7102596

Type

Utility Model

Filing

11/14/1991

Publication

02/18/1992

Progress at the INPI

  1. Filing11/14/91
  2. Publication02/18/92
  3. Examination05/19/92
  4. Allowance04/25/95
  5. Grant01/30/96
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 07/01/2008. 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

A. N. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 14/11/2001

07/01/2008

RPI 1956

Concessão da patente

#16.1

01/30/1996

RPI 1313

Notificação para pagamento de retribuição

#13.1

09/19/1995

RPI 1294

Deferimento

#9.1

04/25/1995

RPI 1273

Solicitação de exame técnico

#4.1

05/19/1992

RPI 1120

Pedido de patente depositado

#2.1

02/18/1992

RPI 1107

Publicação antecipada

#3.2

02/18/1992

RPI 1107

Pedido de patente depositado

#2.1

12/24/1991

RPI 1099

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