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Official data from INPI

ARTIGO PARA FUMAR

Arquivada/ExtintaInvention Patent

Application data

Number

PI9103519

Type

Invention Patent

Filing

08/13/1991

Publication

05/12/1992

Progress at the INPI

  1. Filing08/13/91
  2. Publication05/12/92
  3. Examination09/29/92
  4. Allowance12/08/98
  5. Grant06/15/99
  6. Expired06/04/13

The letters patent expired on 06/04/2013: 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: 06/04/2013. 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

D. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

568,151 · 08/16/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinte em 13/08/2011

06/04/2013

RPI 2213

Concessão da patente

#16.1

06/15/1999

RPI 1484

Republicação - classificação IPC

#15.11

Alterada de Int.Cl.5 A24D 1/12

12/08/1998

RPI 1457

Deferimento

#9.1

12/08/1998

RPI 1457

Exigência - art. 36 da LPI

#6.1

04/22/1998

RPI 1426

Solicitação de exame técnico

#4.1

09/29/1992

RPI 1139

Publicação do pedido de patente

#3.1

05/12/1992

RPI 1119

Pedido de patente depositado

#2.1

09/24/1991

RPI 1086

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