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Official data from INPI

DISPOSIÇÃO INTRODUZIDA EM DOMO TWEETER

Arquivada/ExtintaUtility Model

Application data

Number

MU7001385

Type

Utility Model

Filing

07/23/1990

Publication

01/08/1991

Progress at the INPI

  1. Filing07/23/90
  2. Publication01/08/91
  3. Examination03/19/91
  4. Allowance05/14/96
  5. Grant03/25/97
  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: 07/01/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. P. (pessoa física)

SP, BR

Inventors

D. P. (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 23/07/2000

07/01/2008

RPI 1956

15.7

Referência: Petição DEINPI/SP nº 018050046206 de 31.10.2005, de acordo com o Art. 219 § II.

03/07/2006

RPI 1835

Concessão da patente

#16.1

03/25/1997

RPI 1373

Deferimento

#9.1

05/14/1996

RPI 1328

Solicitação de exame técnico

#4.1

03/19/1991

RPI 1059

Publicação antecipada

#3.2

01/08/1991

RPI 1049

Pedido de patente depositado

#2.1

11/06/1990

RPI 1040

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