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

PROCESSO PARA QUEIMAR CLINQUER E USINA COM FORNO ALIMENTADO A CARVÃO

PublicadaInvention Patent

Application data

Number

PI8706611

Type

Invention Patent

Filing

12/08/1987

Publication

07/19/1988

Progress at the INPI

  1. Filing12/08/87
  2. Publication07/19/88
  3. Examination11/20/90
  4. Allowance12/05/95
  5. Grant08/27/96
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 07/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. L. Smidth Comércio e Industria Ltda

SP, BR

See this company's full portfolio

Inventors

P. N. (pessoa física)

DK

Technical data

IPC Classification

Priority claims

GB

8629372 · 12/09/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

07/19/1988

RPI 926

Pedido de patente depositado

#2.1

03/29/1988

RPI 910

Carta-patente expirada

#21.1

Patente extinta em 08/12/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

08/27/1996

RPI 1343

Notificação para pagamento de retribuição

#13.1

06/18/1996

RPI 1333

Republicação - classificação IPC

#15.11

12/19/1995

RPI 1307

Deferimento

#9.1

12/05/1995

RPI 1305

Exigência - art. 36 da LPI

#6.1

02/14/1995

RPI 1263

14.4

05/07/1991

RPI 1066

Solicitação de exame técnico

#4.1

11/20/1990

RPI 1042

Patent monitoring

Track this patent in real time.

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