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Official data from INPI

PROCESSO E COMPOSICAO DE FUMO

ConcedidaInvention Patent

Application data

Number

PI7606639

Type

Invention Patent

Filing

10/03/1975

Publication

-

Progress at the INPI

  1. Filing10/03/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant07/27/82
  6. Expired07/20/93

The letters patent expired on 07/20/1993: 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: 07/27/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LIGGETT & MYERS INC

Inventors

B. H. (pessoa física)

N. V. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/27/1982

RPI 614

Notificação para pagamento de retribuição

#13.1

12/08/1981

RPI 581

Carta-patente expirada

#21.1

07/20/1993

RPI 1181

20.11

11/24/1992

RPI 1147

20.11

10/22/1991

RPI 1090

Pedido de licença compulsória

#20.1

02/26/1991

RPI 1056

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