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Official data from INPI

MECANISMO DE FREIO DE ESTACIONAMENTO PARA UMA UNIDADE DE FREIO DE UM VEÍCULO FERROVIÁRIO

ConcedidaInvention Patent
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Application data

Number

PI8505776

Type

Invention Patent

Filing

11/18/1985

Publication

06/28/1988
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Progress at the INPI

  1. Filing11/18/85
  2. Publication08/12/86
  3. Examination07/05/88
  4. Allowance05/23/89
  5. Grant11/28/89
  6. Terminated09/19/95

The patent was granted on 11/28/1989 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sab Wabco Holdings BV

NL

Inventors

B. N. (pessoa física)

SE

K. L. (pessoa física)

SE

Technical data

IPC Classification

B61H 13/00B61H 13/20

Priority claims

SE

8405793-4 · 11/19/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/28/1989

RPI 997

Notificação para pagamento de retribuição

#13.1

09/19/1989

RPI 987

Deferimento

#9.1

05/23/1989

RPI 970

Solicitação de exame técnico

#4.1

07/05/1988

RPI 924

Publicação do pedido de patente

#3.1

06/28/1988

RPI 923

Publicação do pedido de patente

#3.1

08/12/1986

RPI 825

Pedido de patente depositado

#2.1

01/28/1986

RPI 797

Anuidade - prazo legal encerrado

#18.2

09/19/1995

RPI 1294

Pedido de licença compulsória

#20.1

09/10/1991

RPI 1084

3.3

08/20/1991

RPI 1081

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