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Official data from INPI

FILTRO PARA CIGARRO E PROCESSO PARA FABRICAR UM FILTRO PATA CIGARRO

ConcedidaInvention Patent

Application data

Number

PI8107794

Type

Invention Patent

Filing

11/30/1981

Publication

08/31/1982

Progress at the INPI

  1. Filing11/30/81
  2. Publication08/31/82
  3. Examination12/14/82
  4. Allowance02/04/86
  5. Grant08/26/86
  6. In force11/30/01

The patent was granted on 08/26/1986 and is in force until 11/30/2001. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:11/30/2001

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Latest action published by the INPI: 08/26/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Brown & Williamson Tobacco Corporation

US

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Inventors

J. R. (pessoa física)

Technical data

IPC Classification

Priority claims

US

211.491 · 12/01/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/26/1986

RPI 827

Notificação para pagamento de retribuição

#13.1

06/24/1986

RPI 818

Deferimento

#9.1

02/04/1986

RPI 798

Exigência - art. 36 da LPI

#6.1

06/04/1985

RPI 763

Conhecimento de parecer técnico

#7.1

10/02/1984

RPI 728

Solicitação de exame técnico

#4.1

12/14/1982

RPI 634

Publicação do pedido de patente

#3.1

08/31/1982

RPI 619

Pedido de patente depositado

#2.1

01/12/1982

RPI 586

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