(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

PROCESSO PARA TRATAMENTO DE TABACO PARA INIBIR A PERDA DE ALCALÓIDES E CIGARRO

Em AnáliseInvention Patent

Application data

Number

PI8702572

Type

Invention Patent

Filing

05/12/1987

Publication

09/22/1987

Progress at the INPI

  1. Filing05/12/87
  2. Publication09/22/87
  3. Examination12/08/87
  4. Allowance04/13/93
  5. Grant02/16/94
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 12/08/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Souza Cruz S/A

RJ, BR

See this company's full portfolio

Inventors

D. W. (pessoa física)

E. L. (pessoa física)

K. K. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

861.897 · 05/12/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/08/1987

RPI 894

Publicação antecipada

#3.2

09/22/1987

RPI 883

Pedido de patente depositado

#2.1

08/04/1987

RPI 876

Carta-patente expirada

#21.1

Patente extinta em 12/05/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

02/16/1994

RPI 1211

Notificação para pagamento de retribuição

#13.1

08/03/1993

RPI 1183

Deferimento

#9.1

04/13/1993

RPI 1167

Exigência - art. 36 da LPI

#6.1

11/17/1992

RPI 1146

Exigência - art. 36 da LPI

#6.1

02/25/1992

RPI 1108

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.