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Official data from INPI

PROCESSO PARA MELHORAR O PODER INTUMESCENTE DE TABACOS

ConcedidaInvention Patent

Application data

Number

PI8202499

Type

Invention Patent

Filing

04/30/1982

Publication

04/12/1983

Progress at the INPI

  1. Filing04/30/82
  2. Publication04/12/83
  3. Examination11/08/83
  4. Allowance08/13/85
  5. Grant04/29/86
  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: 04/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H.F. & Ph.F. Reemtsma GmbH. & Co.

DE

Inventors

K. Z. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 31 19 330.7 · 05/15/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/29/1986

RPI 810

Notificação para pagamento de retribuição

#13.1

12/17/1985

RPI 791

Deferimento

#9.1

08/13/1985

RPI 773

8.1

05/28/1985

RPI 762

Exigência - art. 36 da LPI

#6.1

12/04/1984

RPI 737

Solicitação de exame técnico

#4.1

11/08/1983

RPI 681

Publicação do pedido de patente

#3.1

04/12/1983

RPI 651

Pedido de patente depositado

#2.1

06/15/1982

RPI 608

Carta-patente expirada

#21.1

Patente extinta em 30/04/97

07/01/2008

RPI 1956

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