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Official data from INPI

FILTRO PARA FUMAÇA

DeferidaInvention Patent

Application data

Number

PI8300492

Type

Invention Patent

Filing

02/01/1983

Publication

11/01/1983

Progress at the INPI

Awaiting grant fee payment
  1. Filing02/01/83
  2. Publication11/01/83
  3. Examination01/31/84
  4. Allowance02/09/88
  5. Grant
  6. In force

The application was allowed by the INPI on 02/09/1988. The grant of the letters patent is being processed.

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Latest action published by the INPI: 08/16/1988. 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

L. A. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

8202945 · 02/02/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

08/16/1988

RPI 930

Deferimento

#9.1

02/09/1988

RPI 903

Conhecimento de parecer técnico

#7.1

10/08/1985

RPI 781

Exigência - art. 36 da LPI

#6.1

04/02/1985

RPI 754

Solicitação de exame técnico

#4.1

01/31/1984

RPI 693

Publicação do pedido de patente

#3.1

11/01/1983

RPI 680

Pedido de patente depositado

#2.1

03/15/1983

RPI 647

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