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

VÁLVULA DE BRISA COM CORTADOR DE CHAMAS

ConcedidaInvention Patent

Application data

Number

PI8008037

Type

Invention Patent

Filing

12/09/1980

Publication

11/03/1981

Progress at the INPI

  1. Filing12/09/80
  2. Publication11/03/81
  3. Examination06/28/83
  4. Allowance01/31/84
  5. Grant08/28/84
  6. Terminated08/09/94

The patent was granted on 08/28/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/28/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Usinas Siderúrgicas de Minas Gerais S/A - USIMINAS

MG, BR

See this company's full portfolio

Inventors

T. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

05/15/1984

RPI 708

Deferimento

#9.1

01/31/1984

RPI 693

Solicitação de exame técnico

#4.1

06/28/1983

RPI 662

Publicação antecipada

#3.2

11/03/1981

RPI 576

Anuidade - prazo legal encerrado

#18.2

08/09/1994

RPI 1236

Patent monitoring

Track this patent in real time.

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