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

Vela de ignição com alta eficiência

IndeferidaInvention Patent

Application data

Number

PI8305754

Type

Invention Patent

Filing

10/14/1983

Publication

03/20/1984

Progress at the INPI

Under appeal
  1. Filing10/14/83
  2. Publication03/20/84
  3. Examination06/26/84
  4. Refused06/17/86
  5. Grant
  6. In force

The application was refused by the INPI on 06/17/1986. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 06/17/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cerâmica e velas de ignição NGK do Brasil S/A

SP, BR

See this company's full portfolio

Inventors

O. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

06/17/1986

RPI 817

Pedido de certificado de adição de invenção

#5.1

11/27/1984

RPI 736

Solicitação de exame técnico

#4.1

06/26/1984

RPI 714

Publicação antecipada

#3.2

03/20/1984

RPI 700

Pedido de patente depositado

#2.1

12/27/1983

RPI 688

Patent monitoring

Track this patent in real time.

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