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Official data from INPI

FILTRO PARA FUMAÇA DE TABACO E PROCESSO E DISPOSITIVO PARA A PRODUÇÃO DE FILTRO PARA FUMAÇA DE TABACO

ConcedidaInvention Patent

Application data

Number

PI8105444

Type

Invention Patent

Filing

08/21/1981

Publication

11/24/1981

Progress at the INPI

  1. Filing08/21/81
  2. Publication11/24/81
  3. Examination03/02/82
  4. Allowance12/29/87
  5. Grant08/30/88
  6. In force08/21/01

The patent was granted on 08/30/1988 and is in force until 08/21/2001. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:08/21/2001

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Latest action published by the INPI: 08/30/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Souza Cruz S/A

RJ, BR

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Inventors

L. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/30/1988

RPI 932

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

Deferimento

#9.1

12/29/1987

RPI 897

Exigência - art. 36 da LPI

#6.1

12/03/1985

RPI 789

Exigência - art. 36 da LPI

#6.1

09/04/1984

RPI 724

Solicitação de exame técnico

#4.1

03/02/1982

RPI 593

Publicação antecipada

#3.2

11/24/1981

RPI 579

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