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Official data from INPI

ALPERFEIÇOAMENTO EM DISPOSITIVO PRODUTOR DE SOM COM IMITAÇÃO DE CHORO

ConcedidaInvention Patent

Application data

Number

PI8301637

Type

Invention Patent

Filing

03/29/1983

Publication

08/23/1983

Progress at the INPI

  1. Filing03/29/83
  2. Publication08/23/83
  3. Examination12/20/83
  4. Allowance07/14/87
  5. Grant05/31/88
  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: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Manufatura de Brinquedos Estrela S/A

SP, BR

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Inventors

B. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

11/10/1987

RPI 890

Deferimento

#9.1

07/14/1987

RPI 873

Solicitação de exame técnico

#4.1

12/20/1983

RPI 687

Publicação antecipada

#3.2

08/23/1983

RPI 670

Pedido de patente depositado

#2.1

05/17/1983

RPI 656

Carta-patente expirada

#21.1

Patente extinta em 29/03/98

07/01/2008

RPI 1956

20.7

08/30/1994

RPI 1239

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