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

ELEMENTO PARA MONTAGEM DA BASE DE UM FUSÍVEL.

Em AnáliseInvention Patent

Application data

Number

PI8501464

Type

Invention Patent

Filing

03/26/1985

Publication

11/04/1986

Progress at the INPI

  1. Filing03/26/85
  2. Publication11/04/86
  3. Examination09/20/88
  4. Allowance05/01/90
  5. Grant11/27/90
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 09/20/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Siemens S/A

SP, BR

See this company's full portfolio

Inventors

P. C. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/20/1988

RPI 935

Publicação do pedido de patente

#3.1

11/04/1986

RPI 837

Pedido de patente depositado

#2.1

06/18/1985

RPI 765

Carta-patente expirada

#21.1

Patente extinta em 26/03/2000

07/15/2008

RPI 1958

Cessão de direito de exploração

#22.1

10/22/1996

RPI 1351

Concessão da patente

#16.1

11/27/1990

RPI 1043

Notificação para pagamento de retribuição

#13.1

08/21/1990

RPI 1029

Deferimento

#9.1

05/01/1990

RPI 1016

Patent monitoring

Track this patent in real time.

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