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Official data from INPI

GRUPO DE EMBALAGENS

Em AnáliseInvention Patent

Application data

Number

PI8700643

Type

Invention Patent

Filing

02/12/1987

Publication

12/08/1987

Progress at the INPI

  1. Filing02/12/87
  2. Publication12/08/87
  3. Examination04/12/88
  4. Allowance05/28/91
  5. Grant11/26/91
  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: 04/12/1988. 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

K. F. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

830.318 · 02/18/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/12/1988

RPI 912

Publicação do pedido de patente

#3.1

12/08/1987

RPI 894

Pedido de patente depositado

#2.1

06/23/1987

RPI 870

Carta-patente expirada

#21.1

Patente extinta em 12/02/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

11/26/1991

RPI 1095

Notificação para pagamento de retribuição

#13.1

09/10/1991

RPI 1084

Deferimento

#9.1

05/28/1991

RPI 1069

Exigência - art. 36 da LPI

#6.1

01/22/1991

RPI 1051

Conhecimento de parecer técnico

#7.1

08/14/1990

RPI 1028

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