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Official data from INPI

FREIO ACIONADO POR PRESSAO DE FLUIDO

Em AnáliseInvention Patent

Application data

Number

PI7908809

Type

Invention Patent

Filing

08/22/1979

Publication

-

Progress at the INPI

  1. Filing08/22/79
  2. Publication
  3. Examination11/09/82
  4. Allowance05/31/83
  5. Grant03/27/84
  6. Terminated10/03/89

The patent was granted on 03/27/1984 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

INTERTECHNIQUE SA

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Inventors

S. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/03/1989

RPI 989

Concessão da patente

#16.1

03/27/1984

RPI 701

14.1

11/29/1983

RPI 684

Notificação para pagamento de retribuição

#13.1

09/27/1983

RPI 675

Deferimento

#9.1

05/31/1983

RPI 658

Solicitação de exame técnico

#4.1

11/09/1982

RPI 629

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era F16D 65/32.

03/27/2018

RPI 2464

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