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Official data from INPI

DISPOSITIVO DE VINTILACAO PARA UM CILINDRO DE FRENAGEM COM ACUMULO DE FORCA DE FRENAGEM POR MEIO DE TENSAO MOLAR, ESPECIALMENTE UM CILINDRO DE FRENAGEM INTEGRADO DE SERVICO E DE TENSAO MOLAR

Em AnáliseInvention Patent

Application data

Number

PI8008457

Type

Invention Patent

Filing

12/22/1979

Publication

-

Progress at the INPI

  1. Filing12/22/79
  2. Publication
  3. Examination07/26/83
  4. Allowance07/17/84
  5. Grant02/26/85
  6. Terminated05/17/88

The patent was granted on 02/26/1985 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KNORR BREMSE GMBH

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Inventors

L. A. (pessoa física)

P. K. (pessoa física)

S. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Pedido de licença compulsória

#20.1

01/13/1987

RPI 847

Concessão da patente

#16.1

02/26/1985

RPI 749

Notificação para pagamento de retribuição

#13.1

11/13/1984

RPI 734

Deferimento

#9.1

07/17/1984

RPI 717

Exigência - art. 36 da LPI

#6.1

01/03/1984

RPI 689

Solicitação de exame técnico

#4.1

07/26/1983

RPI 666

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