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US3614949A Expired / Lapsed US ⏱️ 0.0 years remaining

Mobile home furniture with make-up air supply means

Assignee: Coleman Co Inc
•
Filing: 1970-02-06
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Granted: 1971-10-26
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Expires: 1990-02-06
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Abstract

Abstract A COMPACT SEALED COMBUSTION FURNACE ADAPTED TO BE MOUNTED WITHIN A CLOSET OR ALCOVE OF A MOBILE HOME, INCLUDING A DOWNFLOW AIR CIRCULATOR MOUNTED ABOVE A COMBUSTION CHAMBER CASING WITHIN AN EXTERIOR CASING, IS PROVIDED WITH A MAKE-UP AIR SUPPLY MEANS. MORE SPECIFICALLY, AN AIR BOX IS MOUNTED ABOVE THE BLOWER AND BENEATH THE TOP WALL OF THE EXTERIOR CASING, THE AIR BOX PROVIDING A CONNECTING PASSAGE BETWEEN AN ANNULAR COMBUSTION AIR INTAKE OF A ROOF JACK AND A COMBUSTION AIR PASSAGE EXTENDING DOWNWARDLY ALONG THE REAR WALL OF THE EXTERIOR CASING. THE TOP WALL OF THE AIR BOX IS SPACED DOWNWARDLY AND SEPARATED FROM THE EXTERIOS CASING TOP WALL AND THE SIDES OF THE BOX ARE SPACED INWARDLY AND SEPARATED FROM THE EXTERIOR CASING SIDE WALLS. THE MAKEUP AIR INTAKE MEANS EXTENDS THROUGH THE TOP WALL OF THE EXTERIOR CASING OUTWARDLY OF THE BASE OF THE ROOF JACK TO COMMUNICATE WITH THE SPACE BETWEEN THE AIR BOX TOP AND THE CASING TOP WALL. THE BLOWER DRAWS MAKE-UP FRESH AIR OVER AND AROUND THE AIR BOX AND INTO THE REARAIR ALSO SCRUBS A FLUE BOX WHICH IS POSITIONED BELOW AND SEPARATED FROM THE AIR BOX.

Inventors

  • 👤 James C Goodgion

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 22:18
CPC Classifications
F; F24; F24H; F24H3/00; F24H3/02; F24H3/06; F24H3/065

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-10-25 1975-04-26 1975-10-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-10-25 1979-04-26 1979-10-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-10-25 1983-04-26 1983-10-26 $7700.00 Window Closed / Lapsed

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