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Official data from INPI

PROCESSO PARA O TRATAMENTO DE MATERIAIS DE TABACO

Em AnáliseInvention Patent

Application data

Number

PI7908824

Type

Invention Patent

Filing

09/20/1978

Publication

-

Progress at the INPI

  1. Filing09/20/78
  2. Publication
  3. Examination04/27/82
  4. Allowance02/14/84
  5. Grant08/28/84
  6. Expired05/09/95

The letters patent expired on 05/09/1995: 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: 02/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PHILIP MORRIS INC

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Inventors

M. D. (pessoa física)

S. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

02/28/1989

RPI 958

20.7

02/21/1989

RPI 957

Concessão da patente

#16.1

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

06/05/1984

RPI 711

Deferimento

#9.1

02/14/1984

RPI 695

Solicitação de exame técnico

#4.1

04/27/1982

RPI 601

Carta-patente expirada

#21.1

05/09/1995

RPI 1275

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