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Official data from INPI

APARELHO TRANQUILIZADOR PARA REGULARIZAR O PERFIL DAS VELOCIDADES DE UM FLUIDO EM ESCOAMENTO.

ConcedidaInvention Patent

Application data

Number

PI8401190

Type

Invention Patent

Filing

03/15/1984

Publication

10/23/1984

Progress at the INPI

  1. Filing03/15/84
  2. Publication10/23/84
  3. Examination01/29/85
  4. Allowance03/31/87
  5. Grant09/29/87
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 09/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Flonic S.A.

FR

Inventors

R. L. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

83-01497 · 03/15/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/29/1987

RPI 884

Republicação - classificação IPC

#15.11

05/05/1987

RPI 863

Deferimento

#9.1

03/31/1987

RPI 858

Exigência - art. 36 da LPI

#6.1

06/17/1986

RPI 817

Solicitação de exame técnico

#4.1

01/29/1985

RPI 745

Publicação do pedido de patente

#3.1

10/23/1984

RPI 731

Pedido de patente depositado

#2.1

05/29/1984

RPI 710

Carta-patente expirada

#21.1

Patente extinta em 15/03/99

07/08/2008

RPI 1957

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