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Official data from INPI

MÉTODO E APARELHO PARA EXPANDIR TABACO

Em AnáliseInvention Patent

Application data

Number

PI8602834

Type

Invention Patent

Filing

06/11/1986

Publication

02/10/1987

Progress at the INPI

  1. Filing06/11/86
  2. Publication02/10/87
  3. Examination04/28/87
  4. Allowance11/12/91
  5. Grant10/27/92
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 04/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Souza Cruz S/A

RJ, BR

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Inventors

D. M. (pessoa física)

GB

I. B. (pessoa física)

GB

R. H. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8515217 · 06/15/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/28/1987

RPI 862

Publicação do pedido de patente

#3.1

02/10/1987

RPI 851

Pedido de patente depositado

#2.1

12/16/1986

RPI 843

Carta-patente expirada

#21.1

Patente extinta em 11/06/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

10/27/1992

RPI 1143

Notificação para pagamento de retribuição

#13.1

03/31/1992

RPI 1113

Deferimento

#9.1

11/12/1991

RPI 1093

Conhecimento de parecer técnico

#7.1

03/26/1991

RPI 1060

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