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Official data from INPI

BARRA DE FILTRO VENTILADO PARA FUMAÇA DE TABACO, PROCESSO E DISPOSITIVO PARA A PRODUÇÃO DA MESMA

ConcedidaInvention Patent

Application data

Number

PI8103419

Type

Invention Patent

Filing

05/27/1981

Publication

02/24/1982

Progress at the INPI

  1. Filing05/27/81
  2. Publication02/24/82
  3. Examination03/07/84
  4. Allowance04/25/89
  5. Grant11/28/89
  6. Expired10/08/96

The letters patent expired on 10/08/1996: 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cigarette Components Limited

GB

See this company's full portfolio

Inventors

R. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

153.560 · 05/27/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/28/1989

RPI 997

Notificação para pagamento de retribuição

#13.1

08/22/1989

RPI 983

Deferimento

#9.1

04/25/1989

RPI 966

Exigência - art. 36 da LPI

#6.1

11/01/1988

RPI 941

Exigência - art. 36 da LPI

#6.1

08/19/1986

RPI 826

Exigência - art. 36 da LPI

#6.1

09/03/1985

RPI 776

Exigência - art. 36 da LPI

#6.1

10/23/1984

RPI 731

Solicitação de exame técnico

#4.1

03/07/1984

RPI 698

Publicação do pedido de patente

#3.1

02/24/1982

RPI 592

Carta-patente expirada

#21.1

10/08/1996

RPI 1349

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