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US3619918A Expired / Lapsed US ⏱️ 0.0 years remaining

Snow clearing and melting apparatus

Assignee: Individual
•
Filing: 1969-03-05
•
Granted: 1971-11-16
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Expires: 1989-03-05
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Abstract

Abstract A SELF-PROPELLED SNOW CLEARING APPARATUS EMBODYING LOADING AND MELTING MECHANISMS, THE LATTER INCLUDING A HOPPER INTO WHICH THE LOADER DISCHARGES AND WHEREIN MELTING IS CAUSED BY A LARGE BODY OF HOT WATER HEATED BY A BATTERY OF HORIZONTAL BOILER TUBES IMMERSED THEREIN THAT EXTEND LONGITUDINALLY THROUGH THE HOPPER AND CONVEY THE PRODUCTS OF COMBUSTION FROM A FURL FIRED HEATER IN FRONT OF THE HOPPER TO AN UPRIGHT MANIFOLD AT THE REAR OF THE HOPPER, FROM WHICH LATTER A BLAST OF HOT AIR IS CONVEYED TO THE TOP OF THE HOPPER AND DIRECTED ONTO THE SNOW BEING DISCHARGED INTO THE HOPPER BY THE LOADER. ADDITIONAL HEAT GENERATED IN THE APPARATUS MAY BE APPLIED AS HOT GASEOUS BLASTS ON THE ROADWAY TRAVERSED BY THE APPARATUS TO THE REAR OF THE LOADING MECHANISM.

Inventors

  • 👤 Albert Z Morin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 02:18
CPC Classifications
E; E01; E01H; E01H5/00; E01H5/10; E01H5/104; E01H5/108

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) 1974-11-15 1975-05-17 1975-11-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-11-15 1979-05-17 1979-11-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-11-15 1983-05-17 1983-11-16 $7700.00 Window Closed / Lapsed

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