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Official data from INPI

DISPOSITIVO INDICADOR DE NÍVEL DE COMBUSTÍVEL

PublicadaInvention Patent

Application data

Number

PI8806252

Type

Invention Patent

Filing

11/28/1988

Publication

08/15/1989

Progress at the INPI

  1. Filing11/28/88
  2. Publication08/15/89
  3. Examination06/04/91
  4. Allowance04/05/94
  5. Grant11/29/94
  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: 08/15/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Bitron Video S.p.A.

IT

Inventors

E. C. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

68011 A/87 · 11/26/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

08/15/1989

RPI 982

Pedido de patente depositado

#2.1

04/04/1989

RPI 963

Carta-patente expirada

#21.1

Patente extinta em 28/11/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

11/29/1994

RPI 1252

Notificação para pagamento de retribuição

#13.1

08/02/1994

RPI 1235

Deferimento

#9.1

04/05/1994

RPI 1218

Solicitação de exame técnico

#4.1

06/04/1991

RPI 1070

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