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

APARELHO DE REAJUSTE PARA SER USADO EM CIRCUITO DE VIA PARA SEÇÃO DE VIA FÉRREA ; DISPOSIÇÃO DE CIRCUITO DE VIA PARA SEÇÃO DE VIA FÉRREA.

ConcedidaInvention Patent

Application data

Number

PI8300873

Type

Invention Patent

Filing

02/24/1983

Publication

11/16/1983

Progress at the INPI

  1. Filing02/24/83
  2. Publication11/16/83
  3. Examination10/08/85
  4. Allowance09/13/88
  5. Grant06/27/89
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 06/27/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

AMERICAN STANDARD INC.

Union Switch & Signal, Inc.

US

See this company's full portfolio

Inventors

P. D. (pessoa física)

Technical data

IPC Classification

Priority claims

US

352.424 · 02/25/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/27/1989

RPI 975

Notificação para pagamento de retribuição

#13.1

01/03/1989

RPI 950

Deferimento

#9.1

09/13/1988

RPI 934

Solicitação de exame técnico

#4.1

10/08/1985

RPI 781

Publicação do pedido de patente

#3.1

11/16/1983

RPI 682

Pedido de patente depositado

#2.1

04/12/1983

RPI 651

Carta-patente expirada

#21.1

Patente extinta em 24/02/98

07/01/2008

RPI 1956

Pedido de licença compulsória

#20.1

05/08/1990

RPI 1017

Patent monitoring

Track this patent in real time.

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