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Official data from INPI

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

Arquivada/ExtintaInvention Patent

Application data

Number

PI8906272

Type

Invention Patent

Filing

12/06/1989

Publication

08/21/1990

Progress at the INPI

  1. Filing12/06/89
  2. Publication08/21/90
  3. Examination11/17/92
  4. Allowance06/14/94
  5. Grant03/01/95
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

FEV Motorentechnik GmbH & Co. KG

DE

Inventors

G. S. (pessoa física)

DE

Technical data

Priority claims

DE

P 3841318.3 · 12/08/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 06/12/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

03/01/1995

RPI 1265

Notificação para pagamento de retribuição

#13.1

10/18/1994

RPI 1246

Deferimento

#9.1

06/14/1994

RPI 1228

Solicitação de exame técnico

#4.1

11/17/1992

RPI 1146

Publicação do pedido de patente

#3.1

08/21/1990

RPI 1029

Pedido de patente depositado

#2.1

03/06/1990

RPI 1008

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