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Official data from INPI

DISPOSIÇÃO INTRODUZIDA EM CORNETA COM UM PISTO.

Em AnáliseUtility Model

Application data

Number

MU6802343

Type

Utility Model

Filing

10/25/1988

Publication

02/08/1989

Progress at the INPI

  1. Filing10/25/88
  2. Publication02/08/89
  3. Examination07/04/89
  4. Allowance11/03/92
  5. Grant06/29/93
  6. Expired09/25/01

The letters patent expired on 09/25/2001: 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: 07/04/1989. 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).

Solicitação de exame técnico

#4.1

07/04/1989

RPI 976

Publicação antecipada

#3.2

02/08/1989

RPI 955

Pedido de patente depositado

#2.1

01/31/1989

RPI 954

Carta-patente expirada

#21.1

Patente extinta em 25/10/98 conforme disposto no artigo 24 da Lei 5772/71 (CPI).

09/25/2001

RPI 1603

Concessão da patente

#16.1

06/29/1993

RPI 1178

Notificação para pagamento de retribuição

#13.1

03/23/1993

RPI 1164

Deferimento

#9.1

11/03/1992

RPI 1144

Exigência - art. 36 da LPI

#6.1

03/10/1992

RPI 1110

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