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

TOMADA ELÉTRICA DE ACIONAMENTO DOS MOTORES DO CARRO TORPEDO.

ConcedidaUtility Model
Talk to an expert

Application data

Number

MU6100255

Type

Utility Model

Filing

02/26/1981

Publication

10/05/1982
View on INPI

Progress at the INPI

  1. Filing02/26/81
  2. Publication10/05/82
  3. Examination11/22/83
  4. Allowance04/29/86
  5. Grant12/30/86
  6. Expired12/07/93

The letters patent expired on 12/07/1993: 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: 12/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Companhia Siderúrgica Nacional - CSN

RJ, BR

See this company's full portfolio

Inventors

T. M. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/30/1986

RPI 845

Notificação para pagamento de retribuição

#13.1

09/02/1986

RPI 828

Deferimento

#9.1

04/29/1986

RPI 810

Exigência - art. 36 da LPI

#6.1

06/18/1985

RPI 765

Exigência - art. 36 da LPI

#6.1

01/02/1985

RPI 741

Exigência - art. 36 da LPI

#6.1

07/03/1984

RPI 715

Solicitação de exame técnico

#4.1

11/22/1983

RPI 683

Publicação do pedido de patente

#3.1

10/05/1982

RPI 624

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

Related

Patent monitoring

Track this patent in real time.

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