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Official data from INPI

Artigo para fumar

Arquivada/ExtintaInvention Patent

Application data

Number

PI8905993

Type

Invention Patent

Filing

11/20/1989

Publication

06/19/1990

Progress at the INPI

  1. Filing11/20/89
  2. Publication06/19/90
  3. Examination10/09/90
  4. Allowance05/27/97
  5. Grant07/28/98
  6. Expired12/26/12

The letters patent expired on 12/26/2012: 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: 12/26/2012. 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

E. L. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

273,775 · 11/21/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 20/11/2009

12/26/2012

RPI 2190

Concessão da patente

#16.1

07/28/1998

RPI 1440

Deferimento

#9.1

05/27/1997

RPI 1382

Exigência - art. 36 da LPI

#6.1

10/01/1996

RPI 1348

Solicitação de exame técnico

#4.1

10/09/1990

RPI 1036

Publicação do pedido de patente

#3.1

06/19/1990

RPI 1023

Pedido de patente depositado

#2.1

03/13/1990

RPI 1009

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