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

MÉTODO E EQUIPAMENTO PARA FUNDIR LIGAS METÁLICAS COM BAIXAS TEMPERATURAS DE FUSÃO

Arquivada/ExtintaInvention Patent

Application data

Number

PI8905895

Type

Invention Patent

Filing

11/08/1989

Publication

06/12/1990

Progress at the INPI

  1. Filing11/08/89
  2. Publication06/12/90
  3. Examination09/01/92
  4. Allowance08/13/96
  5. Grant09/30/97
  6. Expired05/21/13

The letters patent expired on 05/21/2013: 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: 05/21/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Electrovert Limited

CA

Inventors

T. K. (pessoa física)

CA

Technical data

IPC Classification

Priority claims

US

268.492 · 11/08/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 08/11/2009

05/21/2013

RPI 2211

Concessão da patente

#16.1

09/30/1997

RPI 1400

Notificação para pagamento de retribuição

#13.1

03/25/1997

RPI 1373

Deferimento

#9.1

08/13/1996

RPI 1341

Exigência - art. 36 da LPI

#6.1

02/06/1996

RPI 1314

Solicitação de exame técnico

#4.1

09/01/1992

RPI 1135

Publicação do pedido de patente

#3.1

06/12/1990

RPI 1022

Pedido de patente depositado

#2.1

03/13/1990

RPI 1009

Patent monitoring

Track this patent in real time.

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