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Official data from INPI

APERFEIÇOAMENTO EM CHUVEIRO ELÉTRICO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9700872

Type

Invention Patent

Filing

02/06/1997

Publication

01/21/1998

Progress at the INPI

  1. Filing02/06/97
  2. Publication01/21/98
  3. Examination
  4. Allowance03/18/03
  5. Grant07/22/03
  6. Expired04/04/17

The letters patent expired on 04/04/2017: 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: 04/04/2017. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J. G. (pessoa física)

SP, BR

Lorenzetti S/A Indústrias Brasileiras Eletrometalúrgicas

SP, BR

Inventors

J. G. (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 06/02/2017

04/04/2017

RPI 2413

Transferência deferida

#25.1

Transferido de: João Carlos Martins Gomes

08/09/2005

RPI 1805

Concessão da patente

#16.1

07/22/2003

RPI 1698

Deferimento

#9.1

03/18/2003

RPI 1680

Exigência - art. 36 da LPI

#6.1

07/02/2002

RPI 1643

Publicação antecipada

#3.2

01/21/1998

RPI 1413

Pedido de patente depositado

#2.1

08/12/1997

RPI 1393

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