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Official data from INPI

APARELHO DE FREIO A PRESSÃAO DE FLUIDO PARA VEÍCULO FERROVIÁRIO.

ConcedidaInvention Patent

Application data

Number

PI8402874

Type

Invention Patent

Filing

06/13/1984

Publication

05/21/1985

Progress at the INPI

  1. Filing06/13/84
  2. Publication05/21/85
  3. Examination07/14/87
  4. Allowance04/12/88
  5. Grant12/27/88
  6. Terminated10/16/90

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

Applicants and inventors

Applicants

AMERICAN STANDARD INC.

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Inventors

J. H. (pessoa física)

Technical data

IPC Classification

Priority claims

US

505.138 · 06/16/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/27/1988

RPI 949

Notificação para pagamento de retribuição

#13.1

07/26/1988

RPI 927

Deferimento

#9.1

04/12/1988

RPI 912

Solicitação de exame técnico

#4.1

07/14/1987

RPI 873

Publicação do pedido de patente

#3.1

05/21/1985

RPI 761

Pedido de patente depositado

#2.1

08/14/1984

RPI 721

Anuidade - prazo legal encerrado

#18.2

10/16/1990

RPI 1037

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