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Official data from INPI

DISPOSITIVO DE VÁLVULA REGULADORA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9600319

Type

Invention Patent

Filing

02/05/1996

Publication

12/23/1997

Progress at the INPI

  1. Filing02/05/96
  2. Publication12/23/97
  3. Examination
  4. Allowance04/25/00
  5. Grant10/17/00
  6. Terminated04/26/11

The patent was granted on 10/17/2000 and later terminated. Protection ended before the full term and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/26/2011. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Westinghouse Air Brake Company

US

See this company's full portfolio

Inventors

E. G. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

08/448.144 · 05/23/1995

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Extinção para fins de restauração (art. 87)

#21.6

Referente ao despacho publicado na RPI 2005 de 09/06/2009 e à 14ª e 15ª anuidades.

04/26/2011

RPI 2103

24.3

referente a 9ª,10ª,11ª,12ªe 13ª anuidades

06/09/2009

RPI 2005

Concessão da patente

#16.1

10/17/2000

RPI 1554

Deferimento

#9.1

04/25/2000

RPI 1529

Publicação do pedido de patente

#3.1

12/23/1997

RPI 1409

Pedido de patente depositado

#2.1

03/19/1996

RPI 1320

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