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

TRUQUE APERFEIÇOADO PARA VAGÃO FERROVIÁRIO E RESPECTIVA TRAVESSA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9103394

Type

Invention Patent

Filing

08/07/1991

Publication

05/05/1992

Progress at the INPI

  1. Filing08/07/91
  2. Publication05/05/92
  3. Examination09/22/92
  4. Allowance09/26/95
  5. Grant05/28/96
  6. Expired06/29/10

The letters patent expired on 06/29/2010: 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: 06/29/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Amsted Industries Incorporated

US

See this company's full portfolio

Inventors

H. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

07/582,421 · 09/14/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 07/08/2006

06/29/2010

RPI 2060

Concessão da patente

#16.1

05/28/1996

RPI 1330

Deferimento

#9.1

09/26/1995

RPI 1295

Solicitação de exame técnico

#4.1

09/22/1992

RPI 1138

Publicação do pedido de patente

#3.1

05/05/1992

RPI 1118

Pedido de patente depositado

#2.1

09/24/1991

RPI 1086

Patent monitoring

Track this patent in real time.

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