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

APERFEICOAMENTO EM TAMBOR DE MATERIAL DIBROSO

ConcedidaInvention Patent

Application data

Number

PI8102765

Type

Invention Patent

Filing

05/06/1981

Publication

12/14/1982

Progress at the INPI

  1. Filing05/06/81
  2. Publication12/14/82
  3. Examination07/05/83
  4. Allowance10/29/86
  5. Grant07/28/87
  6. Terminated06/20/95

The patent was granted on 07/28/1987 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: 07/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. J. (pessoa física)

Inventors

F. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/28/1987

RPI 875

Notificação para pagamento de retribuição

#13.1

03/31/1987

RPI 858

Deferimento

#9.1

10/29/1986

RPI 836

8.1

07/01/1986

RPI 819

Conhecimento de parecer técnico

#7.1

12/11/1984

RPI 738

Solicitação de exame técnico

#4.1

07/05/1983

RPI 663

Publicação do pedido de patente

#3.1

12/14/1982

RPI 634

Anuidade - prazo legal encerrado

#18.2

06/20/1995

RPI 1281

Patent monitoring

Track this patent in real time.

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