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

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8300153

Type

Invention Patent

Filing

01/13/1983

Publication

10/04/1983

Progress at the INPI

  1. Filing01/13/83
  2. Publication10/04/83
  3. Examination01/17/84
  4. Allowance12/03/85
  5. Grant06/24/86
  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: 06/24/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Nippondenso Co. Ltda

JP

Inventors

T. Y. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/24/1986

RPI 818

Notificação para pagamento de retribuição

#13.1

04/22/1986

RPI 809

Deferimento

#9.1

12/03/1985

RPI 789

Republicação - classificação IPC

#15.11

08/27/1985

RPI 775

Exigência - art. 36 da LPI

#6.1

06/11/1985

RPI 764

Pedido de certificado de adição de invenção

#5.1

06/05/1984

RPI 711

Solicitação de exame técnico

#4.1

01/17/1984

RPI 691

Publicação do pedido de patente

#3.1

10/04/1983

RPI 676

Pedido de patente depositado

#2.1

03/01/1983

RPI 645

Carta-patente expirada

#21.1

Patente extinta em 13/01/98

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.