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

PROCESSO PARA ALIMENTAÇÃO DE ENERGIA TÉRMICA EM UM BANHO DE METAL FUNDIDO

PublicadaInvention Patent

Application data

Number

PI8805336

Type

Invention Patent

Filing

10/14/1988

Publication

05/30/1989

Progress at the INPI

  1. Filing10/14/88
  2. Publication05/30/89
  3. Examination04/30/91
  4. Allowance06/27/95
  5. Grant02/27/96
  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: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Kortec AG

CH

See this company's full portfolio

Inventors

R. W. (pessoa física)

BR

W. W. (pessoa física)

BR

Technical data

IPC Classification

Priority claims

DE

P 37 35 150.8 · 10/16/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/30/1989

RPI 971

Pedido de patente depositado

#2.1

02/28/1989

RPI 958

Carta-patente expirada

#21.1

Patente extinta em 14/10/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

02/27/1996

RPI 1317

Notificação para pagamento de retribuição

#13.1

11/07/1995

RPI 1301

Deferimento

#9.1

06/27/1995

RPI 1282

Exigência - art. 36 da LPI

#6.1

11/29/1994

RPI 1252

Solicitação de exame técnico

#4.1

04/30/1991

RPI 1065

Patent monitoring

Track this patent in real time.

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