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

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8207726

Type

Invention Patent

Filing

05/21/1982

Publication

05/10/1983

Progress at the INPI

  1. Filing05/21/82
  2. Publication05/10/83
  3. Examination01/15/85
  4. Allowance07/14/87
  5. Grant06/14/88
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. P. (pessoa física)

US

Inventors

M. [. (pessoa física)

P. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/14/1988

RPI 921

Notificação para pagamento de retribuição

#13.1

11/10/1987

RPI 890

Deferimento

#9.1

07/14/1987

RPI 873

Exigência - art. 36 da LPI

#6.1

10/15/1985

RPI 782

Solicitação de exame técnico

#4.1

01/15/1985

RPI 743

Notificação de entrada na fase nacional - PCT

#1.3

05/10/1983

RPI 655

Carta-patente expirada

#21.1

Patente extinta em 21/05/97

07/01/2008

RPI 1956

Patent monitoring

Track this patent in real time.

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