US3309798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Snow melter
Assignee: DOE CORP
•
Filing: 1963-09-13
•
Granted: 1967-03-21
•
Expires: 1983-09-13
Abstract
No abstract record available.
Inventors
- 👤 James E Devlin
- 👤 Alderico J Eramo
- 👤 Eramo Dominic
- 👤 Harry V O'connor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:45
CPC Classifications
E; E01; E01H; E01H5/00; E01H5/10; E01H5/104
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
204 words
A SNOW MELTER, COMPRISING (A) A VEHICLE BODY HAVING DRIVEN WHEELS, (B) A LOADING APPARATUS AT THE FRONT OF THE VEHICLE, (C) A MELTING APPARATUS AT THE REAR OF THE VEHICLE, AND (D) A DUCT LEADING FROM THE LOADING APPARATUS TO THE MELTING APPARATUS, THE LOADING APPARATUS INCLUDING A SCOOP FOR RECEIVING THE SNOW AND A HIGH-SPEED FAN LOCATING REARWARDLY OF THE SCOOP, THE FAN RECEIVING THE SNOW AND INTRODUCING IT INTO THE DUCT AT HIGH VELOCITY, THE SCOOP BEING MOUNTED ON A TRANSVERSE SHAFT FOR ADJUSTMENT OF THE FORWARD EDGE RELATIVE TO THE ROAD SURFACE, THE SCOOP CONSISTING OF A REARWARD FIXED PLATE AND A FORWARD MOVABLE PLATE, THE MOVABLE PLATE BEING CAPABLE OF SLIDING GUIDED MOTION OVER THE UPPER SURFACE OF THE FIXED PLATE, SPRING MEANS BEING PROVIDED FOR RESISTING REARWARD MOVEMENT OF THE MOVABLE PLATE RELATIVE TO THE FIXED PLATE, THE MOVABLE PLATE CONSISTING OF AN UPPER AND A LOWER PORTION HELD IN SPACED PARALLEL RELATIONSHIP BY A SERIES OF VERTICAL PINS, THE FIXED PLATE RESIDING BETWEEN THE SAID UPPER AND LOWER PORTIONS, EACH PIN EXTENDING THROUGH A TEAR-DROP-SHAPED APERTURE IN THE FIXED PLATE, THE CUSPS OF THE APERTURES RESIDING AT THE LONGITUDINAL ENDS WITH THE PINS IN THE FORWARD CUSPS.
Claim 2
Dependent Claim
204 words
A SNOW MELTER, COMPRISING (A) A VEHICLE BODY HAVING DRIVEN WHEELS, (B) A LOADING APPARATUS AT THE FRONT OF THE VEHICLE, (C) A MELTING APPARATUS AT THE REAR OF THE VEHICLE, AND (D) A DUCT LEADING FROM THE LOADING APPARATUS TO THE MELTING APPARATUS, THE LOADING APPARATUS INCLUDING A SCOOP FOR RECEIVING THE SNOW AND A HIGH-SPEED FAN LOCATING REARWARDLY OF THE SCOOP, THE FAN RECEIVING THE SNOW AND INTRODUCING IT INTO THE DUCT AT HIGH VELOCITY, THE SCOOP BEING MOUNTED ON A TRANSVERSE SHAFT FOR ADJUSTMENT OF THE FORWARD EDGE RELATIVE TO THE ROAD SURFACE, THE SCOOP CONSISTING OF A REARWARD FIXED PLATE AND A FORWARD MOVABLE PLATE, THE MOVABLE PLATE BEING CAPABLE OF SLIDING GUIDED MOTION OVER THE UPPER SURFACE OF THE FIXED PLATE, SPRING MEANS BEING PROVIDED FOR RESISTING REARWARD MOVEMENT OF THE MOVABLE PLATE RELATIVE TO THE FIXED PLATE, THE MOVABLE PLATE CONSISTING OF AN UPPER AND A LOWER PORTION HELD IN SPACED PARALLEL RELATIONSHIP BY A SERIES OF VERTICAL PINS, THE FIXED PLATE RESIDING BETWEEN THE SAID UPPER AND LOWER PORTIONS, EACH PIN EXTENDING THROUGH A TEAR-DROP-SHAPED APERTURE IN THE FIXED PLATE, THE CUSPS OF THE APERTURES RESIDING AT THE LONGITUDINAL ENDS WITH THE PINS IN THE FORWARD CUSPS.
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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) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |