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Official data from INPI

SISTEMA DE FREIO A DISCO PARA VEICULO FERROVIARIO

Em AnáliseInvention Patent
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Application data

Number

PI8108761

Type

Invention Patent

Filing

08/27/1980

Publication

07/06/1982
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Progress at the INPI

  1. Filing08/27/80
  2. Publication07/06/82
  3. Examination02/28/84
  4. Allowance12/26/84
  5. Grant06/25/85
  6. Terminated07/12/88

The patent was granted on 06/25/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SAB IND AB [SE]

Inventors

E. S. (pessoa física)

S. M. (pessoa física)

S. G. (pessoa física)

Technical data

IPC Classification

B61H 5/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

06/25/1985

RPI 766

Notificação para pagamento de retribuição

#13.1

04/16/1985

RPI 756

Deferimento

#9.1

12/26/1984

RPI 740

4.1.1

06/12/1984

RPI 712

Solicitação de exame técnico

#4.1

04/24/1984

RPI 705

Solicitação de exame técnico

#4.1

02/28/1984

RPI 697

14.1

11/16/1983

RPI 682

14.1

11/08/1983

RPI 681

14.10

11/01/1983

RPI 680

14.2

07/26/1983

RPI 666

Notificação de entrada na fase nacional - PCT

#1.3

07/06/1982

RPI 611

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