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Official data from INPI

"DISPOSITIVO DE ALIMENTAÇÃO DE INSTALAÇÕES DE FRENAGEM DE COMBOIOS FERROVIÁRIOS"

PublicadaInvention Patent

Application data

Number

PI8801123

Type

Invention Patent

Filing

03/11/1988

Publication

10/18/1988

Progress at the INPI

  1. Filing03/11/88
  2. Publication10/18/88
  3. Examination08/07/90
  4. Allowance04/20/93
  5. Grant09/28/93
  6. Expired09/02/08

The letters patent expired on 09/02/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/18/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alsthom

FR

See this company's full portfolio

Inventors

A. H. (pessoa física)

FR

J. D. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

87 03 455 · 03/13/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/18/1988

RPI 939

Pedido de patente depositado

#2.1

07/12/1988

RPI 925

Carta-patente expirada

#21.1

Patente extinta em 11/03/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

09/28/1993

RPI 1191

Notificação para pagamento de retribuição

#13.1

08/17/1993

RPI 1185

Deferimento

#9.1

04/20/1993

RPI 1168

Exigência - art. 36 da LPI

#6.1

07/21/1992

RPI 1129

6.2

11/05/1991

RPI 1092

Solicitação de exame técnico

#4.1

08/07/1990

RPI 1027

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