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

DISPOSITIVO PARA REDUZIR AS EMISSÕES POLUENTES DE UM MOTOR

PublicadaInvention Patent

Application data

Number

PI8606493

Type

Invention Patent

Filing

12/17/1986

Publication

10/20/1987

Progress at the INPI

  1. Filing12/17/86
  2. Publication10/20/87
  3. Examination05/08/90
  4. Allowance05/07/91
  5. Grant11/26/91
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 10/20/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Fiat Auto S.p.A

IT

See this company's full portfolio

Inventors

A. M. (pessoa física)

IT

R. S. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

68.101 A/85 · 12/23/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/20/1987

RPI 887

Pedido de patente depositado

#2.1

04/28/1987

RPI 862

Carta-patente expirada

#21.1

Patente extinta em 17/12/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

11/26/1991

RPI 1095

Notificação para pagamento de retribuição

#13.1

08/20/1991

RPI 1081

Deferimento

#9.1

05/07/1991

RPI 1066

Exigência - art. 36 da LPI

#6.1

01/29/1991

RPI 1052

Solicitação de exame técnico

#4.1

05/08/1990

RPI 1017

Related

Patent monitoring

Track this patent in real time.

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