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Official data from INPI

FORNO E PROCESSO DE CRAQUEAMENTO TÉRMICO

ArquivadaInvention Patent

Application data

Number

PI9201691

Type

Invention Patent

Filing

05/06/1992

Publication

03/16/1993

Progress at the INPI

  1. Filing05/06/92
  2. Publication03/16/93
  3. Abandoned10/13/93
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 11/14/2000. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Stone & Webster Engineering Corporation

US

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Inventors

C. B. (pessoa física)

US

J. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

730.560 · 07/16/1991

Abstract

Um forno de craqueamento térmico que compreende seções de tubos radiantes horizontalmente dispostas e verticalmente dispostas.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

11/14/2000

RPI 1558

Exigência - art. 36 da LPI

#6.1

10/05/1999

RPI 1500

Pedido de certificado de adição de invenção

#5.1

03/08/1994

RPI 1214

Solicitação de exame técnico

#4.1

10/13/1993

RPI 1193

Publicação do pedido de patente

#3.1

03/16/1993

RPI 1163

Pedido de patente depositado

#2.1

06/09/1992

RPI 1123

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