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Official data from INPI

DISPOSITIVO E PROCESSO PARA A DETERMINACAO DAS CARACTERISTICAS DE ESCOAMENTO DE UM FLUIDO

Em AnáliseInvention Patent

Application data

Number

PI8008514

Type

Invention Patent

Filing

12/28/1979

Publication

-

Progress at the INPI

  1. Filing12/28/79
  2. Publication
  3. Examination10/06/81
  4. Allowance03/01/83
  5. Grant07/26/83
  6. Terminated05/17/88

The patent was granted on 07/26/1983 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PRAD RES & DEV NV

Inventors

H. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

07/26/1983

RPI 666

Notificação para pagamento de retribuição

#13.1

06/21/1983

RPI 661

Deferimento

#9.1

03/01/1983

RPI 645

Exigência - art. 36 da LPI

#6.1

08/31/1982

RPI 619

Solicitação de exame técnico

#4.1

10/06/1981

RPI 572

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