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

PROCESSO PARA A AGLOMERACAO DE MATERIAIS PULVERULENTOS E DISPOSITIVO PARA A REALIZACAO DO PROCESSO

ConcedidaInvention Patent

Application data

Number

PI7901554

Type

Invention Patent

Filing

03/14/1978

Publication

-

Progress at the INPI

  1. Filing03/14/78
  2. Publication
  3. Examination
  4. Allowance06/14/88
  5. Grant12/27/88
  6. Expired06/21/94

The letters patent expired on 06/21/1994: 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: 12/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NESTLE SA

See this company's full portfolio

Inventors

W. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/27/1988

RPI 949

Notificação para pagamento de retribuição

#13.1

10/04/1988

RPI 937

Deferimento

#9.1

06/14/1988

RPI 921

Exigência - art. 36 da LPI

#6.1

07/29/1986

RPI 823

Exigência - art. 36 da LPI

#6.1

12/07/1982

RPI 633

6.2

03/16/1982

RPI 595

Carta-patente expirada

#21.1

06/21/1994

RPI 1229

Patent monitoring

Track this patent in real time.

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