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Official data from INPI

PROCESSO PARA DETERMINAR A COMPOSIÇÃO E CONDIÇÕES DE FLUXO DE UM MEIO QUE CIRCULA ATRAVÉS DE UM DETALHE ESTRUTURAL QUE INFLUENCIA O FLUXO

Arquivada/ExtintaInvention PatentPCT · NO1988000096

Application data

Number

PI8807824

Type

Invention Patent

Filing

12/16/1988

Publication

10/23/1990

PCT

NO1988000096

Progress at the INPI

  1. Filing12/16/88
  2. Publication10/23/90
  3. Examination07/02/91
  4. Allowance03/29/94
  5. Grant11/29/94
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 09/02/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sensorteknikk A/S

NO

Inventors

B. H. (pessoa física)

NO

Technical data

IPC Classification

Priority claims

NO

875326 · 12/18/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 16/12/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

11/29/1994

RPI 1252

Notificação para pagamento de retribuição

#13.1

08/02/1994

RPI 1235

Deferimento

#9.1

03/29/1994

RPI 1217

Solicitação de exame técnico

#4.1

07/02/1991

RPI 1074

Notificação de entrada na fase nacional - PCT

#1.3

10/23/1990

RPI 1038

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