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

DISPOSITIVO PARA APLICACAO DE ALETAS EM TUBOS

ConcedidaInvention Patent

Application data

Number

PI7806950

Type

Invention Patent

Filing

10/23/1978

Publication

-

Progress at the INPI

  1. Filing10/23/78
  2. Publication
  3. Examination
  4. Allowance06/22/82
  5. Grant10/25/83
  6. Expired05/24/94

The letters patent expired on 05/24/1994: 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: 10/25/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BERNAUER DE SECADORES IND CO

Inventors

B. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/25/1983

RPI 679

14.4

08/02/1983

RPI 667

Notificação para pagamento de retribuição

#13.1

10/05/1982

RPI 624

Deferimento

#9.1

06/22/1982

RPI 609

Exigência - art. 36 da LPI

#6.1

11/24/1981

RPI 579

Carta-patente expirada

#21.1

05/24/1994

RPI 1225

Patent monitoring

Track this patent in real time.

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