(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

VERTEDOURO PARA DESCARGA DE CHEIAS PARA BARRAGENS E OBRAS SEMELHANTES

Arquivada/ExtintaInvention Patent

Application data

Number

PI9006526

Type

Invention Patent

Filing

12/20/1990

Publication

10/01/1991

Progress at the INPI

  1. Filing12/20/90
  2. Publication10/01/91
  3. Examination03/24/92
  4. Allowance09/24/96
  5. Grant05/27/97
  6. Expired05/28/13

The letters patent expired on 05/28/2013: 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: 05/28/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G T M Bâtiment Et Travaux Publics

FR

Inventors

F. L. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

89 16960 · 12/21/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 20/12/2010

05/28/2013

RPI 2212

Concessão da patente

#16.1

05/27/1997

RPI 1382

Deferimento

#9.1

09/24/1996

RPI 1347

6.2

03/12/1996

RPI 1319

Solicitação de exame técnico

#4.1

03/24/1992

RPI 1112

Publicação do pedido de patente

#3.1

10/01/1991

RPI 1087

Pedido de patente depositado

#2.1

06/11/1991

RPI 1071

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.