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

POLIMERO AROMATICO E SUBSTRATO PARA O MESMO

ConcedidaInvention Patent

Application data

Number

PI7706734

Type

Invention Patent

Filing

10/08/1976

Publication

-

Progress at the INPI

  1. Filing10/08/76
  2. Publication
  3. Examination
  4. Allowance02/08/83
  5. Grant08/30/83
  6. Terminated10/23/90

The patent was granted on 08/30/1983 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: 08/30/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MINNESOTA MINING & MFG

See this company's full portfolio

Inventors

B. J. (pessoa física)

Z. J. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/30/1983

RPI 671

Notificação para pagamento de retribuição

#13.1

06/07/1983

RPI 659

Deferimento

#9.1

02/08/1983

RPI 642

Exigência - art. 36 da LPI

#6.1

07/20/1982

RPI 613

Anuidade - prazo legal encerrado

#18.2

10/23/1990

RPI 1038

Patent monitoring

Track this patent in real time.

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