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Official data from INPI

DISPOSITIVO PARA FUMAR

Arquivada/ExtintaInvention Patent

Application data

Number

PI9001606

Type

Invention Patent

Filing

04/03/1990

Publication

05/07/1991

Progress at the INPI

  1. Filing04/03/90
  2. Publication05/07/91
  3. Examination08/06/91
  4. Allowance12/24/96
  5. Grant01/21/98
  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

S. K. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

331,779 · 04/03/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 03/04/2010

01/08/2013

RPI 2192

Concessão da patente

#16.1

01/21/1998

RPI 1413

Notificação para pagamento de retribuição

#13.1

05/13/1997

RPI 1380

Deferimento

#9.1

12/24/1996

RPI 1360

5.3

07/21/1992

RPI 1129

Pedido de certificado de adição de invenção

#5.1

06/09/1992

RPI 1123

Solicitação de exame técnico

#4.1

08/06/1991

RPI 1079

Publicação do pedido de patente

#3.1

05/07/1991

RPI 1066

Pedido de patente depositado

#2.1

08/14/1990

RPI 1028

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