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Official data from INPI

DISPOSITIVO PARA PERMITIR QUE UM PRIMEIRO LÍQUIDO FLUA PRÓXIMO A UM SEGUNDO LÍQUIDO SEM SER INTERMISTURADO COM O MESMO.

ConcedidaInvention Patent

Application data

Number

PI8107945

Type

Invention Patent

Filing

03/10/1980

Publication

03/09/1982

Progress at the INPI

  1. Filing03/10/80
  2. Publication03/09/82
  3. Examination10/04/83
  4. Allowance05/12/87
  5. Grant12/29/87
  6. In force03/10/00

The patent was granted on 12/29/1987 and is in force until 03/10/2000. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:03/10/2000

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Latest action published by the INPI: 12/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. T. (pessoa física)

Inventors

T. F. (pessoa física)

Technical data

IPC Classification

Priority claims

SE

8002233-8 · 03/24/1980

SE

PCT/81/00076 · 03/10/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/29/1987

RPI 897

Notificação para pagamento de retribuição

#13.1

09/22/1987

RPI 883

Deferimento

#9.1

05/12/1987

RPI 864

Exigência - art. 36 da LPI

#6.1

05/20/1986

RPI 813

Conhecimento de parecer técnico

#7.1

04/16/1985

RPI 756

Solicitação de exame técnico

#4.1

10/04/1983

RPI 676

Notificação de entrada na fase nacional - PCT

#1.3

03/09/1982

RPI 594

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