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

APARELHO E PROCESSO DE SECAGEM DE TABACO

ConcedidaInvention Patent

Application data

Number

PI8303214

Type

Invention Patent

Filing

06/17/1983

Publication

01/31/1984

Progress at the INPI

  1. Filing06/17/83
  2. Publication01/31/84
  3. Examination05/15/84
  4. Allowance05/17/88
  5. Grant12/27/88
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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

Brown & Williamson Tobacco Corporation

US

See this company's full portfolio

Inventors

K. R. (pessoa física)

W. T. (pessoa física)

Technical data

IPC Classification

Priority claims

US

391.882 · 06/24/1982

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

09/06/1988

RPI 933

Deferimento

#9.1

05/17/1988

RPI 917

Exigência - art. 36 da LPI

#6.1

11/03/1987

RPI 889

Conhecimento de parecer técnico

#7.1

06/10/1986

RPI 816

Exigência - art. 36 da LPI

#6.1

05/28/1985

RPI 762

Solicitação de exame técnico

#4.1

05/15/1984

RPI 708

Publicação do pedido de patente

#3.1

01/31/1984

RPI 693

Pedido de patente depositado

#2.1

08/02/1983

RPI 667

Carta-patente expirada

#21.1

Patente extinta em 17/06/98

07/01/2008

RPI 1956

Patent monitoring

Track this patent in real time.

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