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Official data from INPI

COMBINAÇÃO DE FILTRO E COLUNA DE TABACO

Em AnáliseInvention Patent

Application data

Number

PI8203097

Type

Invention Patent

Filing

05/27/1982

Publication

05/10/1983

Progress at the INPI

  1. Filing05/27/82
  2. Publication05/10/83
  3. Examination10/11/83
  4. Allowance11/26/85
  5. Grant06/24/86
  6. Terminated05/24/88

The patent was granted on 06/24/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/24/1988. 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

D. C. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

278.529 · 06/29/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

06/24/1986

RPI 818

Notificação para pagamento de retribuição

#13.1

04/15/1986

RPI 808

Deferimento

#9.1

11/26/1985

RPI 788

8.1

08/13/1985

RPI 773

Exigência - art. 36 da LPI

#6.1

12/04/1984

RPI 737

Solicitação de exame técnico

#4.1

10/11/1983

RPI 677

Publicação do pedido de patente

#3.1

05/10/1983

RPI 655

Pedido de patente depositado

#2.1

07/13/1982

RPI 612

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