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Official data from INPI

ENTRETENIMENTO DIDÁTICO

Em AnáliseUtility Model

Application data

Number

MU6700987

Type

Utility Model

Filing

05/21/1987

Publication

04/26/1988

Progress at the INPI

  1. Filing05/21/87
  2. Publication04/26/88
  3. Examination06/28/88
  4. Allowance08/07/90
  5. Grant10/29/91
  6. Expired09/18/01

The letters patent expired on 09/18/2001: 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: 06/28/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. L. (pessoa física)

SP, BR

Inventors

B. L. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/28/1988

RPI 923

Publicação antecipada

#3.2

04/26/1988

RPI 914

Pedido de patente depositado

#2.1

11/17/1987

RPI 891

Carta-patente expirada

#21.1

Patente extinta em 21/05/97 conforme disposto no artigo 24 da Lei 5772/71 (CPI).

09/18/2001

RPI 1602

Concessão da patente

#16.1

10/29/1991

RPI 1091

Notificação para pagamento de retribuição

#13.1

06/11/1991

RPI 1071

Retificação

#15.6

04/09/1991

RPI 1062

15.4

11/13/1990

RPI 1041

Deferimento

#9.1

08/07/1990

RPI 1027

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