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Official data from INPI

MÉTODO PARA FAZER BARRAS DE MATERIAL DE FUMAR E O ARTIGO DE FUMAR

ConcedidaInvention Patent

Application data

Number

PI8305996

Type

Invention Patent

Filing

10/25/1983

Publication

03/13/1984

Progress at the INPI

  1. Filing10/25/83
  2. Publication03/13/84
  3. Examination06/12/84
  4. Allowance04/25/89
  5. Grant11/28/89
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 11/28/1989. 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. N. (pessoa física)

GB

R. H. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

82.30369 · 10/25/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/28/1989

RPI 997

Notificação para pagamento de retribuição

#13.1

08/22/1989

RPI 983

Deferimento

#9.1

04/25/1989

RPI 966

Conhecimento de parecer técnico

#7.1

11/08/1988

RPI 942

Exigência - art. 36 da LPI

#6.1

08/13/1985

RPI 773

Solicitação de exame técnico

#4.1

06/12/1984

RPI 712

Publicação antecipada

#3.2

03/13/1984

RPI 699

Pedido de patente depositado

#2.1

01/17/1984

RPI 691

Carta-patente expirada

#21.1

Patente extinta em 25/10/98

07/01/2008

RPI 1956

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