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

PROCESSO E INSTALACAO PARA O TRATAMENTO TERMICO DE MATERIAL DE GRAO FINO

Em AnáliseInvention Patent

Application data

Number

PI8100031

Type

Invention Patent

Filing

01/08/1980

Publication

-

Progress at the INPI

  1. Filing01/08/80
  2. Publication
  3. Examination02/22/83
  4. Allowance06/11/85
  5. Grant12/31/85
  6. Terminated05/24/88

The patent was granted on 12/31/1985 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: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KRUPP POLYSIUS AG

See this company's full portfolio

Inventors

G. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

12/31/1985

RPI 793

Notificação para pagamento de retribuição

#13.1

09/24/1985

RPI 779

Deferimento

#9.1

06/11/1985

RPI 764

Republicação - classificação IPC

#15.11

04/23/1985

RPI 757

Exigência - art. 36 da LPI

#6.1

01/15/1985

RPI 743

Solicitação de exame técnico

#4.1

02/22/1983

RPI 644

Related

Patent monitoring

Track this patent in real time.

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