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Official data from INPI

ARTIGO PARA FUMAR

Arquivada/ExtintaInvention Patent

Application data

Number

PI9001406

Type

Invention Patent

Filing

03/14/1990

Publication

04/09/1991

Progress at the INPI

  1. Filing03/14/90
  2. Publication04/09/91
  3. Examination06/18/91
  4. Allowance09/09/97
  5. Grant08/25/98
  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

J. T. (pessoa física)

US

L. C. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

324,137 · 03/16/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 14/03/2010

01/08/2013

RPI 2192

Concessão da patente

#16.1

08/25/1998

RPI 1444

Deferimento

#9.1

09/09/1997

RPI 1397

Exigência - art. 36 da LPI

#6.1

12/24/1996

RPI 1360

6.2

05/09/1995

RPI 1275

Solicitação de exame técnico

#4.1

06/18/1991

RPI 1072

Publicação do pedido de patente

#3.1

04/09/1991

RPI 1062

Pedido de patente depositado

#2.1

08/07/1990

RPI 1027

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