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Official data from INPI

ACELERADOR DE FRENAGEM PARA FREIOS DE AR COMPRIMIDO,ESPECIALMENTE PARA VEICULOS SOBRE TRILHOS

Em AnáliseInvention Patent

Application data

Number

PI7707000

Type

Invention Patent

Filing

10/20/1976

Publication

-

Progress at the INPI

  1. Filing10/20/76
  2. Publication
  3. Examination
  4. Allowance03/08/83
  5. Grant12/27/83
  6. Terminated07/12/88

The patent was granted on 12/27/1983 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KNORR BREMSE GMBH

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Inventors

H. J. (pessoa física)

S. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Pedido de licença compulsória

#20.1

05/05/1987

RPI 863

20.10

02/24/1987

RPI 853

Licença compulsória (variante)

#20.2

12/30/1986

RPI 845

201

04/23/1985

RPI 757

Pedido de licença voluntária

#17.1

10/09/1984

RPI 729

Concessão da patente

#16.1

12/27/1983

RPI 688

Notificação para pagamento de retribuição

#13.1

09/27/1983

RPI 675

9.1.3

05/10/1983

RPI 655

Deferimento

#9.1

03/08/1983

RPI 646

Exigência - art. 36 da LPI

#6.1

06/15/1982

RPI 608

Exigência - art. 36 da LPI

#6.1

11/10/1981

RPI 577

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