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US3298676A Expired / Lapsed US ⏱️ 0.0 years remaining

Air humidifiers for forced air ducts

Assignee: LEIGH PRODUCTS Inc
•
Filing: 1965-07-28
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Granted: 1967-01-17
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Expires: 1985-07-28
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Abstract

No abstract record available.

Inventors

  • 👤 Robert J Moore

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 13:39
CPC Classifications
F; F24; F24F; F24F6/00; F24F6/02; F24F6/04

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 212 words
A HUMIDIFIER FOR A FORCED AIR DUCT COMPRISING: AN EVAPORATOR DISK SECTION HAVING FRONT AND REAR END MEMBERS, ELONGATED CONNECTING BARS CONNECTED AT THEIR ENDS TO SAID END MEMBERS, AN ELONGATED TANK SUPPORTED WITHIN SAID SECTION WITH ITS TOP BELOW THE INWARDLY DIRECTED AIR FLOW FROM SAID BARS, A VALVE SUPPORT ON SAID FRONT MEMBER, A WATER SUPPLY CONDUIT CONNECTTED TO SAID SUPPORT, A FLOAT VALVE ASSEMBLY SECURED TO SAID SUPPORT AND HAVING A VALVE COACTING WITH SAID CONDUIT AND A FLOAT POSITIONED IN SAID TANK, AN EVAPORATOR SHAFT SUPPORTED IN LONGITUDINALLY EXTENDING RELATION OVER SAID TANK, A PLURALITY OF EVAPORATOR ELEMENTS HAVING CAPILLARY WATER RETAINING OPENINGS AND CONNECTED TO SAID DISK IN SPACED RELATION FOR ROTATION WITH THE SHAFT WITH THE LOWER PORTIONS OF THE ELEMENTS EXTENDING INTO SAID TANK, AN AIR TURBINE CONNECTED TO SAID REAR MEMBER AND HAVING A PLURALITY OF STATOR VANES DISPOSED TO RECEIVE AND DIRECT AIR FROM A PLURALITY OF DIRECTIONS 360* AROUND SAID TURBINE TO ANGULARLY RADIALLY INWARDLY OF THE TURBINE, A ROTOR HAVING A SHAFT ROTATABLY SUPPORTED CENTRALLY OF SAID TURBINE AND HAVING ROTOR VANES CONNECTED THERETO, AND A SPEED REDUCTION GEAR TRAIN WITH A DRIVING GEAR CONNECTED TO SAID ROTOR SHAFT AND DRIVING GEAR HAVING A RELEASABLE DRIVING CONNECTION TO SAID EVAPORATOR SHAFT.

References Cited (Backward Citations)

US886548A Cited
US1036128A Cited
US1587277A Cited
US2687183A Cited
US3212492A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-01-16 1970-07-18 1971-01-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-01-16 1974-07-18 1975-01-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-01-16 1978-07-18 1979-01-17 $7700.00 Window Closed / Lapsed

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