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

PROCESSO E DISPOSITIVO DE ATIVAÇÃO DE COMBUSTÍVEL

Prazo de SigiloInvention Patent

Application data

Number

PI8901991

Type

Invention Patent

Filing

04/27/1989

Publication

11/06/1990

Progress at the INPI

  1. Filing04/27/89
  2. Publication11/06/90
  3. Examination11/03/92
  4. Allowance04/16/96
  5. Grant03/25/97
  6. Expired12/15/09

The letters patent expired on 12/15/2009: 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: 06/06/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. T. (pessoa física)

JP

Inventors

H. A. (pessoa física)

JP

H. T. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

1-25881(1989) · 02/06/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

06/06/1989

RPI 972

Carta-patente expirada

#21.1

Patente extinta em 27/04/2004

12/15/2009

RPI 2032

Concessão da patente

#16.1

03/25/1997

RPI 1373

Deferimento

#9.1

04/16/1996

RPI 1324

Solicitação de exame técnico

#4.1

11/03/1992

RPI 1144

Publicação do pedido de patente

#3.1

11/06/1990

RPI 1040

Patent monitoring

Track this patent in real time.

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