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

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8407079

Type

Invention Patent

Filing

09/20/1984

Publication

08/13/1985

Progress at the INPI

  1. Filing09/20/84
  2. Publication08/13/85
  3. Examination09/01/87
  4. Allowance05/10/88
  5. Grant12/27/88
  6. Terminated07/04/95

The patent was granted on 12/27/1988 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sonex Research Inc.

US

Inventors

P. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/27/1988

RPI 949

Notificação para pagamento de retribuição

#13.1

09/06/1988

RPI 933

Deferimento

#9.1

05/10/1988

RPI 916

Solicitação de exame técnico

#4.1

09/01/1987

RPI 880

Notificação de entrada na fase nacional - PCT

#1.3

08/13/1985

RPI 773

Anuidade - prazo legal encerrado

#18.2

07/04/1995

RPI 1283

Patent monitoring

Track this patent in real time.

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