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

DISPOSITIVO PARA A ELIMINACAO DE SUJEIRAS DE MATERIAL DE FIBRA,ESPECIALMENTE DE ALGODAO

ConcedidaInvention Patent

Application data

Number

PI7705034

Type

Invention Patent

Filing

08/03/1976

Publication

-

Progress at the INPI

  1. Filing08/03/76
  2. Publication
  3. Examination
  4. Allowance12/16/86
  5. Grant08/25/87
  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: 08/25/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SCHUBERT & SALZER MASCHINEN

See this company's full portfolio

Inventors

H. K. (pessoa física)

K. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/25/1987

RPI 879

Notificação para pagamento de retribuição

#13.1

05/05/1987

RPI 863

Deferimento

#9.1

12/16/1986

RPI 843

Exigência - art. 36 da LPI

#6.1

12/03/1985

RPI 789

6.3

11/13/1984

RPI 734

6.5

03/30/1982

RPI 597

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.