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Official data from INPI

DISPOSITIVO AUTOMATICO PARA REAJUSTAR OS TIRANTES DE FREIO EM VEICULOS ESPECIFICAMENTE EM VEICULOS FERROVIARIOS

Em AnáliseInvention Patent

Application data

Number

PI8000650

Type

Invention Patent

Filing

02/02/1979

Publication

-

Progress at the INPI

  1. Filing02/02/79
  2. Publication
  3. Examination08/17/82
  4. Allowance08/30/83
  5. Grant03/27/84
  6. Terminated06/21/88

The patent was granted on 03/27/1984 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: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KNORR BREMSE GMBH

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Inventors

N. J. (pessoa física)

S. N. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

12/20/1983

RPI 687

Deferimento

#9.1

08/30/1983

RPI 671

Solicitação de exame técnico

#4.1

08/17/1982

RPI 617

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