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Official data from INPI

Artigo para fumar

Arquivada/ExtintaInvention Patent

Application data

Number

PI9001234

Type

Invention Patent

Filing

03/12/1990

Publication

03/26/1991

Progress at the INPI

  1. Filing03/12/90
  2. Publication03/26/91
  3. Examination06/04/91
  4. Allowance05/27/97
  5. Grant07/28/98
  6. Expired01/08/13

The letters patent expired on 01/08/2013: 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: 01/08/2013. 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

L. T. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

325,330 · 03/17/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 12/03/2010

01/08/2013

RPI 2192

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

11/19/1996

RPI 1355

6.2

04/11/1995

RPI 1271

Solicitação de exame técnico

#4.1

06/04/1991

RPI 1070

Publicação do pedido de patente

#3.1

03/26/1991

RPI 1060

Pedido de patente depositado

#2.1

07/31/1990

RPI 1026

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