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

METODO APERFEICOADO PARA FABRICACAO DE DISCOS PARA REFINADORES DE POLPA VEGETAL

Em AnáliseInvention Patent

Application data

Number

PI7606621

Type

Invention Patent

Filing

09/29/1976

Publication

-

Progress at the INPI

  1. Filing09/29/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant12/27/83
  6. Expired07/20/93

The letters patent expired on 07/20/1993: 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: 02/04/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PILAO SA MAQUINAS EQUIP

Inventors

P. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

320

02/04/1986

RPI 798

300

11/26/1985

RPI 788

201

07/23/1985

RPI 770

Pedido de licença voluntária

#17.1

12/26/1984

RPI 740

Concessão da patente

#16.1

12/27/1983

RPI 688

Notificação para pagamento de retribuição

#13.1

08/23/1983

RPI 670

110

05/31/1983

RPI 658

Recurso

#12.1

12/22/1981

RPI 583

Carta-patente expirada

#21.1

07/20/1993

RPI 1181

Patent monitoring

Track this patent in real time.

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