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

DISPOSITIVO DESLOCAVEL PARA O LEVANTAMENTO DE FERRO FINO SOLTO SOBRE LEITOS DE VIAS

Em AnáliseInvention Patent

Application data

Number

PI7802398

Type

Invention Patent

Filing

08/29/1977

Publication

-

Progress at the INPI

  1. Filing08/29/77
  2. Publication
  3. Examination
  4. Allowance06/01/82
  5. Grant
  6. Expired09/21/93

The letters patent expired on 09/21/1993: 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: 09/21/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

P. F. (pessoa física)

See this company's full portfolio

Inventors

No inventors listed.

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

09/21/1982

RPI 622

Republicação - classificação IPC

#15.11

09/08/1982

RPI 620

Deferimento

#9.1

06/01/1982

RPI 606

6.2

12/08/1981

RPI 581

Carta-patente expirada

#21.1

09/21/1993

RPI 1190

Patent monitoring

Track this patent in real time.

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