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

CORPO AQUECEDOR PARA O MOTOR DIESEL TIPO INJEÇÃO DIRETA

Arquivada/ExtintaInvention Patent
Talk to an expert

Application data

Number

PI9104786

Type

Invention Patent

Filing

10/30/1991

Publication

06/23/1992
View on INPI

Progress at the INPI

  1. Filing10/30/91
  2. Publication06/23/92
  3. Examination08/02/94
  4. Allowance05/09/95
  5. Grant12/26/95
  6. Expired06/29/10

The letters patent expired on 06/29/2010: 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: 06/29/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NGK Spark Plug Co. Ltd

JP

See this company's full portfolio

Inventors

T. I. (pessoa física)

JP

Technical data

IPC Classification

F02P 15/00

Priority claims

JP

300508 · 11/05/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 30/10/2006

06/29/2010

RPI 2060

Republicação - classificação IPC

#15.11

01/30/1996

RPI 1313

Concessão da patente

#16.1

12/26/1995

RPI 1308

Notificação para pagamento de retribuição

#13.1

09/26/1995

RPI 1295

Republicação - classificação IPC

#15.11

08/29/1995

RPI 1291

Deferimento

#9.1

05/09/1995

RPI 1275

Solicitação de exame técnico

#4.1

08/02/1994

RPI 1235

Publicação do pedido de patente

#3.1

06/23/1992

RPI 1125

Pedido de patente depositado

#2.1

12/10/1991

RPI 1097

Related

Patent monitoring

Track this patent in real time.

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