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

BASTÃO DE FILTRO PARA FUMAÇA E SEU PROCESSO DE FABRICAÇÃO

ConcedidaInvention Patent

Application data

Number

PI8005540

Type

Invention Patent

Filing

08/28/1980

Publication

-

Progress at the INPI

  1. Filing08/28/80
  2. Publication
  3. Examination
  4. Allowance10/29/86
  5. Grant08/25/87
  6. Expired09/26/95

The letters patent expired on 09/26/1995: 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

Souza Cruz S/A

RJ, BR

See this company's full portfolio

Inventors

H. H. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

79.29769 · 08/28/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/25/1987

RPI 879

Deferimento

#9.1

10/29/1986

RPI 836

8.1

03/04/1986

RPI 802

Exigência - art. 36 da LPI

#6.1

10/09/1984

RPI 729

Exigência - art. 36 da LPI

#6.1

01/03/1984

RPI 689

Carta-patente expirada

#21.1

09/26/1995

RPI 1295

Patent monitoring

Track this patent in real time.

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