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Official data from INPI

DISPOSITIVO AUXILIAR NO ENSINO DE CRIANÇAS

Em AnáliseUtility Model

Application data

Number

MU6700132

Type

Utility Model

Filing

01/19/1987

Publication

06/30/1987

Progress at the INPI

  1. Filing01/19/87
  2. Publication06/30/87
  3. Examination11/03/87
  4. Allowance04/16/91
  5. Grant11/26/91
  6. Terminated10/11/94

The patent was granted on 11/26/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/03/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. N. (pessoa física)

BR

Inventors

R. N. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/03/1987

RPI 889

Publicação antecipada

#3.2

06/30/1987

RPI 871

Pedido de patente depositado

#2.1

05/12/1987

RPI 864

Anuidade - prazo legal encerrado

#18.2

10/11/1994

RPI 1245

Concessão da patente

#16.1

11/26/1991

RPI 1095

Notificação para pagamento de retribuição

#13.1

07/30/1991

RPI 1078

Deferimento

#9.1

04/16/1991

RPI 1063

Exigência - art. 36 da LPI

#6.1

08/21/1990

RPI 1029

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