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

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI7410462

Type

Invention Patent

Filing

12/13/1974

Publication

-

Progress at the INPI

  1. Filing12/13/74
  2. Publication
  3. Examination
  4. Allowance
  5. Grant10/20/81
  6. Expired10/26/93

The letters patent expired on 10/26/1993: 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: 10/16/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. D. (pessoa física)

Inventors

E. B. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

10/16/1984

RPI 730

20.4

10/02/1984

RPI 728

Concessão da patente

#16.1

10/20/1981

RPI 574

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era A01N 9/36.

03/20/2018

RPI 2463

Carta-patente expirada

#21.1

10/26/1993

RPI 1195

Patent monitoring

Track this patent in real time.

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