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

PROCESSO E APARELHO PARA CONTROLE DA ALIMENTAÇÃO DE COMBUSTÍVEL PARA MOTOR DIESEL COM TURBO-COMPRESSOR E PARA A MINIMIZAÇÃO DE DESCARGAS DE FUMAÇA DE ESCAPE DESTE MOTOR.

ConcedidaInvention Patent

Application data

Number

PI8206294

Type

Invention Patent

Filing

10/27/1982

Publication

09/20/1983

Progress at the INPI

  1. Filing10/27/82
  2. Publication09/20/83
  3. Examination08/06/85
  4. Allowance07/14/87
  5. Grant12/29/87
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 12/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ambac Industries Inc

US

Inventors

V. R. (pessoa física)

Technical data

IPC Classification

Priority claims

US

317,253 · 11/02/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/29/1987

RPI 897

Notificação para pagamento de retribuição

#13.1

11/10/1987

RPI 890

Deferimento

#9.1

07/14/1987

RPI 873

Exigência - art. 36 da LPI

#6.1

06/24/1986

RPI 818

Solicitação de exame técnico

#4.1

08/06/1985

RPI 772

Publicação do pedido de patente

#3.1

09/20/1983

RPI 674

Pedido de patente depositado

#2.1

12/21/1982

RPI 635

Carta-patente expirada

#21.1

Patente extinta em 27/10/97

07/01/2008

RPI 1956

Patent monitoring

Track this patent in real time.

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