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Official data from INPI

DETETOR DESCONTAMINADOR DE ÁGUA DE SUBSOLO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9102063

Type

Invention Patent

Filing

05/20/1991

Publication

06/30/1992

Progress at the INPI

  1. Filing05/20/91
  2. Publication06/30/92
  3. Examination07/13/93
  4. Allowance04/28/98
  5. Grant11/24/98
  6. Expired06/04/13

The letters patent expired on 06/04/2013: 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: 06/04/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

L. U. (pessoa física)

RJ, BR

Inventors

L. U. (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 20/05/2011

06/04/2013

RPI 2213

Concessão da patente

#16.1

11/24/1998

RPI 1455

Deferimento

#9.1

04/28/1998

RPI 1427

Exigência - art. 36 da LPI

#6.1

06/10/1997

RPI 1384

Solicitação de exame técnico

#4.1

07/13/1993

RPI 1180

Publicação antecipada

#3.2

06/30/1992

RPI 1126

Pedido de patente depositado

#2.1

03/03/1992

RPI 1109

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