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

APARELHO PARA CARREGAMENTO DE UM GASEIFICADOR DE FUSÃO COM MEIOS DE GASEIFICAÇÃO E COM FERRO-ESPONJA

PublicadaInvention Patent

Application data

Number

PI8803524

Type

Invention Patent

Filing

07/13/1988

Publication

02/08/1989

Progress at the INPI

  1. Filing07/13/88
  2. Publication02/08/89
  3. Examination03/26/91
  4. Allowance01/03/95
  5. Grant07/25/95
  6. Expired09/02/08

The letters patent expired on 09/02/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 02/08/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Deutsche Voest-Alpine Industrieanlagenbau GmbH

DE

See this company's full portfolio

Inventors

B. V. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 37 23 137.5 · 07/13/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

02/08/1989

RPI 955

Pedido de patente depositado

#2.1

12/20/1988

RPI 948

Carta-patente expirada

#21.1

Patente extinta em 13/07/2003

09/02/2008

RPI 1965

16.3

11/19/1996

RPI 1355

Concessão da patente

#16.1

07/25/1995

RPI 1286

Notificação para pagamento de retribuição

#13.1

05/23/1995

RPI 1277

Deferimento

#9.1

01/03/1995

RPI 1257

Solicitação de exame técnico

#4.1

03/26/1991

RPI 1060

Patent monitoring

Track this patent in real time.

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