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

PROCESSO PARA OBTER O DIAFRAGMA ELETRICO E MECANICO E O SUPORTE DE UM SENSOR DE PRESSAO DE PELICULA ESPESSA E DISPOSITIVOS FEITOS POR ESTE PROCESSO..

PublicadaInvention Patent

Application data

Number

PI8700718

Type

Invention Patent

Filing

02/10/1987

Publication

12/08/1987

Progress at the INPI

  1. Filing02/10/87
  2. Publication12/08/87
  3. Examination08/14/90
  4. Allowance09/01/92
  5. Grant04/27/93
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 12/08/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Marelli Autronica S.p.A. empresa italiana

IT

Inventors

L. B. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

67055-A/86 · 02/10/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/08/1987

RPI 894

Pedido de patente depositado

#2.1

06/09/1987

RPI 868

Carta-patente expirada

#21.1

Patente extinta em 10/02/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

04/27/1993

RPI 1169

Notificação para pagamento de retribuição

#13.1

01/26/1993

RPI 1156

Deferimento

#9.1

09/01/1992

RPI 1135

Solicitação de exame técnico

#4.1

08/14/1990

RPI 1028

Patent monitoring

Track this patent in real time.

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