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

CONJUNTO FIXADOR PARA CHAPAS.

ConcedidaUtility Model

Application data

Number

MU6301789

Type

Utility Model

Filing

11/29/1983

Publication

07/02/1985

Progress at the INPI

  1. Filing11/29/83
  2. Publication07/02/85
  3. Examination05/20/86
  4. Allowance11/10/87
  5. Grant06/28/88
  6. Expired09/27/94

The letters patent expired on 09/27/1994: 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: 06/28/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Companhia Siderúrgica Nacional - Grupo Siderbrás

RJ, BR

See this company's full portfolio

Inventors

E. J. (pessoa física)

F. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1988

RPI 923

Notificação para pagamento de retribuição

#13.1

03/01/1988

RPI 906

Deferimento

#9.1

11/10/1987

RPI 890

Exigência - art. 36 da LPI

#6.1

03/17/1987

RPI 856

Solicitação de exame técnico

#4.1

05/20/1986

RPI 813

Publicação do pedido de patente

#3.1

07/02/1985

RPI 767

Pedido de patente depositado

#2.1

02/07/1984

RPI 694

Carta-patente expirada

#21.1

09/27/1994

RPI 1243

Patent monitoring

Track this patent in real time.

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