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

PROCESSO PARA A PRODUÇÃO DE UM CARREADOR DE CARVÃO EMPELOTADO

PublicadaInvention Patent

Application data

Number

PI8805700

Type

Invention Patent

Filing

11/03/1988

Publication

07/18/1989

Progress at the INPI

  1. Filing11/03/88
  2. Publication07/18/89
  3. Examination08/27/91
  4. Allowance01/03/95
  5. Grant08/29/95
  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: 07/18/1989. 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

D. H. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 37 37 262.9 · 11/03/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

07/18/1989

RPI 978

Pedido de patente depositado

#2.1

03/28/1989

RPI 962

Carta-patente expirada

#21.1

Patente extinta em 03/11/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

08/29/1995

RPI 1291

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

08/27/1991

RPI 1082

Patent monitoring

Track this patent in real time.

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