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Official data from INPI

Processo e montagem para a proteção de diques, com desidratação sem pressão por condensação e drenagem da água no corpo do dique

Arquivada/ExtintaInvention Patent

Application data

Number

PI9102256

Type

Invention Patent

Filing

05/24/1991

Publication

01/14/1992

Progress at the INPI

  1. Filing05/24/91
  2. Publication01/14/92
  3. Examination03/08/94
  4. Allowance09/09/97
  5. Grant07/28/98
  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

Sibelon S.r.l.

IT

Inventors

A. S. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

20462 A/90 · 05/29/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 24/05/2011

06/04/2013

RPI 2213

Concessão da patente

#16.1

07/28/1998

RPI 1440

Deferimento

#9.1

09/09/1997

RPI 1397

Republicação - classificação IPC

#15.11

08/26/1997

RPI 1395

Solicitação de exame técnico

#4.1

03/08/1994

RPI 1214

Publicação do pedido de patente

#3.1

01/14/1992

RPI 1102

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