(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

DISPISITIVO DE PROTEÇÃO DE UMA TURBINA CONTRA A ULTRAPASSAGEM DE UM VALOR PREDETERMINADO DE UMA GRANDEZA FÍSICA CONTROLADA .

ConcedidaInvention Patent

Application data

Number

PI8006869

Type

Invention Patent

Filing

10/24/1980

Publication

-

Progress at the INPI

  1. Filing10/24/80
  2. Publication
  3. Examination05/10/83
  4. Allowance06/26/84
  5. Grant12/26/84
  6. Expired11/14/95

The letters patent expired on 11/14/1995: 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: 12/26/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alsthom - Atlantique

FR

See this company's full portfolio

Inventors

L. A. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

79 26 488 · 10/25/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/26/1984

RPI 740

Notificação para pagamento de retribuição

#13.1

10/23/1984

RPI 731

Deferimento

#9.1

06/26/1984

RPI 714

Exigência - art. 36 da LPI

#6.1

12/20/1983

RPI 687

Solicitação de exame técnico

#4.1

05/10/1983

RPI 655

Carta-patente expirada

#21.1

11/14/1995

RPI 1302

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.