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

DISPOSITIVO DE LIBERAÇÃO PARA FREIOS A AR COMPRIMIDO DE LIBERAÇÃO MÚLTIPLA DE VEÍCULOS SOBRE TRILHOS

ConcedidaInvention Patent

Application data

Number

PI8405408

Type

Invention Patent

Filing

10/24/1984

Publication

09/03/1985

Progress at the INPI

  1. Filing10/24/84
  2. Publication09/03/85
  3. Examination10/13/87
  4. Allowance01/17/89
  5. Grant09/26/89
  6. Terminated10/16/90

The patent was granted on 09/26/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Knorr-Bremse Ag.

DE

See this company's full portfolio

Inventors

J. H. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 33 38 699.4 · 10/25/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

05/30/1989

RPI 971

Deferimento

#9.1

01/17/1989

RPI 952

Exigência - art. 36 da LPI

#6.1

06/21/1988

RPI 922

Solicitação de exame técnico

#4.1

10/13/1987

RPI 886

14.1

05/12/1987

RPI 864

Publicação do pedido de patente

#3.1

09/03/1985

RPI 776

Pedido de patente depositado

#2.1

01/08/1985

RPI 742

Anuidade - prazo legal encerrado

#18.2

10/16/1990

RPI 1037

Patent monitoring

Track this patent in real time.

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