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

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8204724

Type

Invention Patent

Filing

08/12/1982

Publication

08/02/1983

Progress at the INPI

  1. Filing08/12/82
  2. Publication08/02/83
  3. Examination08/20/85
  4. Allowance07/08/86
  5. Grant03/17/87
  6. Terminated07/18/95

The patent was granted on 03/17/1987 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: 03/17/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Krupp Polysius Ag.

DE

See this company's full portfolio

Inventors

H. M. (pessoa física)

DE

J. W. (pessoa física)

DE

R. K. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 31 32 578.5 · 08/18/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/17/1987

RPI 856

Notificação para pagamento de retribuição

#13.1

11/04/1986

RPI 837

Deferimento

#9.1

07/08/1986

RPI 820

Solicitação de exame técnico

#4.1

08/20/1985

RPI 774

Publicação do pedido de patente

#3.1

08/02/1983

RPI 667

Pedido de patente depositado

#2.1

09/28/1982

RPI 623

Anuidade - prazo legal encerrado

#18.2

07/18/1995

RPI 1285

Patent monitoring

Track this patent in real time.

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