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Official data from INPI

FIXADOR COM CABEÇA ARREDONDADA

DeferidaUtility Model

Application data

Number

MU6601196

Type

Utility Model

Filing

07/21/1986

Publication

08/04/1987

Progress at the INPI

  1. Filing07/21/86
  2. Publication08/04/87
  3. Examination09/22/87
  4. Allowance08/15/89
  5. Grant04/24/90
  6. Expired09/17/96

The letters patent expired on 09/17/1996: 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: 08/15/1989. 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

A. N. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

08/15/1989

RPI 982

14.7

08/30/1988

RPI 932

Pedido de certificado de adição de invenção

#5.1

01/12/1988

RPI 899

Solicitação de exame técnico

#4.1

09/22/1987

RPI 883

Publicação antecipada

#3.2

08/04/1987

RPI 876

14.7

05/05/1987

RPI 863

14.4

04/22/1987

RPI 861

Pedido de patente depositado

#2.1

03/04/1987

RPI 854

Carta-patente expirada

#21.1

09/17/1996

RPI 1346

Concessão da patente

#16.1

04/24/1990

RPI 1015

Notificação para pagamento de retribuição

#13.1

01/02/1990

RPI 1000

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