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Official data from INPI

ESTOJO ESCOLAR

Em AnáliseUtility Model

Application data

Number

MU6801720

Type

Utility Model

Filing

08/03/1988

Publication

01/03/1989

Progress at the INPI

  1. Filing08/03/88
  2. Publication01/03/89
  3. Examination03/14/89
  4. Allowance03/03/92
  5. Grant11/24/92
  6. Terminated10/31/95

The patent was granted on 11/24/1992 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: 03/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. L. (pessoa física)

SP, BR

W. L. (pessoa física)

SP, BR

Inventors

W. L. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/14/1989

RPI 960

Publicação antecipada

#3.2

01/03/1989

RPI 950

Pedido de patente depositado

#2.1

12/27/1988

RPI 949

Anuidade - prazo legal encerrado

#18.2

10/31/1995

RPI 1300

Concessão da patente

#16.1

11/24/1992

RPI 1147

Notificação para pagamento de retribuição

#13.1

07/28/1992

RPI 1130

Deferimento

#9.1

03/03/1992

RPI 1109

Exigência - art. 36 da LPI

#6.1

07/16/1991

RPI 1076

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