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

PROCESSO PARA CONSTATAR O TEOR DE ÁLCOOL E/OU O PODER CALORÍFICO DE COMBUSTÍVEIS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9001383

Type

Invention Patent

Filing

03/27/1990

Publication

04/02/1991

Progress at the INPI

  1. Filing03/27/90
  2. Publication04/02/91
  3. Examination05/04/93
  4. Allowance05/20/97
  5. Grant01/21/98
  6. Expired01/08/13

The letters patent expired on 01/08/2013: 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: 01/08/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

FEV Motorentechnik GmbH & Co. KG

DE

Inventors

B. R. (pessoa física)

DE

D. S. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 39 21 707.8 · 07/01/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 27/03/2010

01/08/2013

RPI 2192

Concessão da patente

#16.1

01/21/1998

RPI 1413

Deferimento

#9.1

05/20/1997

RPI 1381

Solicitação de exame técnico

#4.1

05/04/1993

RPI 1170

Publicação do pedido de patente

#3.1

04/02/1991

RPI 1061

Pedido de patente depositado

#2.1

08/07/1990

RPI 1027

Patent monitoring

Track this patent in real time.

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