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

PROCESSO DE RESTAURAÇÃO DE UM TRUQUE FERROVIÁRIO, E, CONJUNTO DE CALÇO DE FRICÇÃO PARA UTILIZAÇÃO NO REPARO DE UM TRUQUE FERROVIÁRIO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9003606

Type

Invention Patent

Filing

07/25/1990

Publication

08/27/1991

Progress at the INPI

  1. Filing07/25/90
  2. Publication08/27/91
  3. Examination11/12/91
  4. Allowance05/02/95
  5. Grant10/31/95
  6. Expired05/25/10

The letters patent expired on 05/25/2010: 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: 05/25/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Amsted Industries Incorporated

US

See this company's full portfolio

Inventors

C. M. (pessoa física)

US

R. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

07/389,410 · 08/04/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 25/07/2005

05/25/2010

RPI 2055

Concessão da patente

#16.1

10/31/1995

RPI 1300

Deferimento

#9.1

05/02/1995

RPI 1274

Exigência - art. 36 da LPI

#6.1

05/03/1994

RPI 1222

Solicitação de exame técnico

#4.1

11/12/1991

RPI 1093

Publicação do pedido de patente

#3.1

08/27/1991

RPI 1082

Pedido de patente depositado

#2.1

01/29/1991

RPI 1052

Patent monitoring

Track this patent in real time.

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