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

ESTRADO METÁLICO PARA TRANSPORTE DE CHAPAS DE AÇO

Prazo de SigiloUtility Model

Application data

Number

MU6802878

Type

Utility Model

Filing

07/04/1988

Publication

03/01/1990

Progress at the INPI

  1. Filing07/04/88
  2. Publication03/01/90
  3. Examination02/13/91
  4. Allowance12/20/94
  5. Grant07/25/95
  6. Expired09/25/01

The letters patent expired on 09/25/2001: 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: 12/20/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Companhia Siderúrgica Paulista - COSIPA

SP, BR

See this company's full portfolio

Inventors

A. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

12/20/1988

RPI 948

Carta-patente expirada

#21.1

Patente extinta em 04/07/98 conforme disposto no artigo 24 da Lei 5772/71 (CPI).

09/25/2001

RPI 1603

Concessão da patente

#16.1

07/25/1995

RPI 1286

Notificação para pagamento de retribuição

#13.1

05/02/1995

RPI 1274

Deferimento

#9.1

12/20/1994

RPI 1255

14.7

10/18/1994

RPI 1246

15.10

10/04/1994

RPI 1244

Conhecimento de parecer técnico

#7.1

10/19/1993

RPI 1194

Solicitação de exame técnico

#4.1

02/13/1991

RPI 1054

Publicação do pedido de patente

#3.1

03/01/1990

RPI 1007

Patent monitoring

Track this patent in real time.

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