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Official data from INPI

SISTEMA PARA INTER-MISTURAMENTO DE AR COMBUSTIVEL E GASES RECIRCULANTES EM UM QUEIMADOR INDUSTRIAL E PROCESSO DE FORNECER FLUXO DE AR SECUNDARIO A UM QUEIMADOR INDUSTRIAL

ArquivadaInvention Patent
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Application data

Number

PI8206500

Type

Invention Patent

Filing

11/10/1981

Publication

09/27/1983
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Progress at the INPI

  1. Filing11/10/81
  2. Publication09/27/83
  3. Abandoned11/05/85
  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: 04/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HAUCK MFG CO [US]

Inventors

N. G. (pessoa física)

W. J. (pessoa física)

Technical data

IPC Classification

F23C 5/32

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

04/12/1988

RPI 912

Exigência - art. 36 da LPI

#6.1

10/07/1986

RPI 833

Solicitação de exame técnico

#4.1

11/05/1985

RPI 785

8.1

08/20/1985

RPI 774

Publicação do pedido de patente

#3.1

09/27/1983

RPI 675

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