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

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI7407023

Type

Invention Patent

Filing

08/23/1974

Publication

-

Progress at the INPI

  1. Filing08/23/74
  2. Publication
  3. Examination
  4. Allowance
  5. Grant09/01/81
  6. Expired11/24/92

The letters patent expired on 11/24/1992: 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: 09/01/1981. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Clark Equipment Company

US

See this company's full portfolio

Inventors

E. B. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/01/1981

RPI 567

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era F16H 5/04.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

11/24/1992

RPI 1147

Patent monitoring

Track this patent in real time.

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