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Official data from INPI

FONTE DE CALOR CONTENDO CARBONO DOTADA DE UMA OU MAIS PASSAGENS DE FLUIDO QUE A ATRAVESSAM, PROCESSO PARA A PRODUÇÃO DE UMA FONTE DE CALOR PARA UM ARTIGO PARA FUMANTES E FONTE DE CALOR CONTENDO CARBONO SUBSTANCIALMENTE CILÍNDRICA

Prazo de SigiloInvention Patent

Application data

Number

PI8903633

Type

Invention Patent

Filing

07/21/1989

Publication

03/13/1990

Progress at the INPI

  1. Filing07/21/89
  2. Publication03/13/90
  3. Examination03/24/92
  4. Allowance
  5. Grant
  6. In force

Published on 03/13/1990, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Philip Morris Products, Inc.

US

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Inventors

A. J. (pessoa física)

C. H. (pessoa física)

H. L. (pessoa física)

J. H. (pessoa física)

L. L. (pessoa física)

W. N. (pessoa física)

Technical data

IPC Classification

Priority claims

US

223.232 · 07/22/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

10/17/1989

RPI 991

Retificação

#15.3

08/29/1995

RPI 1291

Solicitação de exame técnico

#4.1

03/24/1992

RPI 1112

Publicação do pedido de patente

#3.1

03/13/1990

RPI 1009

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