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

TUBO OU PECA TUBULAR ANALOGO DE FERRO FUNDIDO DUCTIL COM ENCAIXE E PROCESSO PARA FABRICACAO DO MESMO

ConcedidaInvention Patent

Application data

Number

PI8003057

Type

Invention Patent

Filing

05/17/1979

Publication

-

Progress at the INPI

  1. Filing05/17/79
  2. Publication
  3. Examination
  4. Allowance12/06/83
  5. Grant05/29/84
  6. Expired06/13/95

The letters patent expired on 06/13/1995: 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: 05/29/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

P. M. (pessoa física)

See this company's full portfolio

Inventors

B. C. (pessoa física)

P. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/29/1984

RPI 710

Notificação para pagamento de retribuição

#13.1

03/27/1984

RPI 701

Deferimento

#9.1

12/06/1983

RPI 685

Exigência - art. 36 da LPI

#6.1

05/10/1983

RPI 655

Carta-patente expirada

#21.1

06/13/1995

RPI 1280

Patent monitoring

Track this patent in real time.

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