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

PROCESSO DE FABRICACAO DE ESFERAS DE ALUMINA

ConcedidaInvention Patent

Application data

Number

PI7804958

Type

Invention Patent

Filing

08/03/1977

Publication

-

Progress at the INPI

  1. Filing08/03/77
  2. Publication
  3. Examination
  4. Allowance04/03/84
  5. Grant10/30/84
  6. Terminated09/18/90

The patent was granted on 10/30/1984 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: 10/30/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. I. (pessoa física)

See this company's full portfolio

Inventors

J. R. (pessoa física)

P. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/30/1984

RPI 732

Notificação para pagamento de retribuição

#13.1

08/07/1984

RPI 720

Deferimento

#9.1

04/03/1984

RPI 702

Exigência - art. 36 da LPI

#6.1

10/11/1983

RPI 677

Exigência - art. 36 da LPI

#6.1

08/31/1982

RPI 619

6.2

10/13/1981

RPI 573

Anuidade - prazo legal encerrado

#18.2

09/18/1990

RPI 1033

Patent monitoring

Track this patent in real time.

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