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Official data from INPI

APERFEIÇOAMENTOS EM COBERTURA PARA EDIFICAÇÕES

Arquivada/ExtintaUtility Model

Application data

Number

MU6900999

Type

Utility Model

Filing

06/02/1989

Publication

12/26/1990

Progress at the INPI

  1. Filing06/02/89
  2. Publication12/26/90
  3. Examination05/14/91
  4. Allowance02/23/99
  5. Grant10/19/99
  6. Expired08/26/08

The letters patent expired on 08/26/2008: 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: 08/26/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

O. F. (pessoa física)

SP, BR

Universidade de São Paulo - USP

SP, BR

Inventors

O. F. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 19/10/2006

08/26/2008

RPI 1964

Concessão da patente

#16.1

10/19/1999

RPI 1502

Deferimento

#9.1

02/23/1999

RPI 1468

Exigência - art. 36 da LPI

#6.1

05/03/1994

RPI 1222

14.1

04/07/1992

RPI 1114

Solicitação de exame técnico

#4.1

05/14/1991

RPI 1067

Publicação antecipada

#3.2

12/26/1990

RPI 1047

Pedido de patente depositado

#2.1

01/23/1990

RPI 1003

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