Official data from INPI

DISPOSIÇÃO CONSTRUTIVA EM ELETRODO PARA ATERRAMENTO

Arquivada/ExtintaInvention Patent

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Application data

Number

PI9604644

Type

Invention Patent

Filing

12/02/1996

Publication

11/25/1997

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Progress at the INPI

Filing12/02/96
Publication11/25/97
Examination
Allowance10/01/02
Grant05/27/03
Expired02/14/17

The letters patent expired on 02/14/2017: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 02/14/2017. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. T. (pessoa física)

SP, BR

Inventors

A. T. (pessoa física)

Technical data

IPC Classification

H02B 1/16

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 02/12/2016

02/14/2017

RPI 2406

Concessão da patente

#16.1

05/27/2003

RPI 1690

Deferimento

#9.1

10/01/2002

RPI 1656

Publicação antecipada

#3.2

11/25/1997

RPI 1408

Pedido de patente depositado

#2.1

04/29/1997

RPI 1378

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