US3353286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Snow disposal units
Assignee: Individual
•
Filing: 1964-07-30
•
Granted: 1967-11-21
•
Expires: 1984-07-30
Abstract
No abstract record available.
Inventors
- 👤 Marks Alexander Ashton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:19
CPC Classifications
E; E01; E01H; E01H5/00; E01H5/10; E01H5/104
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A SNOW DISPOSAL UNIT COMPRISING IN COMBINATION, A TANK ADAPTED TO HOLD WATER AND TO RECEIVE SNOW; A HEATER; MEANS TO CONVEY AIR UNDER PRESSURE TO SAID HEATER IN A MANNER TO BE HEATED THEREBY; A DISCHARGE VENT ADAPTED TO DISCHARGE SAID AIR UNDER PRESSURE FROM SAID HEATER DOWNWARDLY BENEATH THE OPERATING WATER LEVEL OF SAID TANK; MEANS TO CONVEY COMBINED MELTED SNOW AND SAID WATER FROM SAID TANK; A SNOW CHUTE HAVING A DISCHARGE OUTLET ADAPTED TO INTRODUCE SNOW INTO SAID TANK; AND MEANS ADAPTED TO DISTRIBUTE SAID SNOW SUBSTANTIALLY EVENLY UPON SAID WATER IN SAID TANK; SAID LAST-MENTIONED MEANS COMPRISING A CAPPER, AND MEANS TO AUTOMATICALLY OSCILLATE SAID CAPPER BETWEEN PRESET LIMITS ACROSS THE PATH OF SNOW BEING EMITTED FROM SAID CHUTE.
Claim 2
Dependent Claim
124 words
A SNOW DISPOSAL UNIT COMPRISING IN COMBINATION, A TANK ADAPTED TO HOLD WATER AND TO RECEIVE SNOW; A HEATER; MEANS TO CONVEY AIR UNDER PRESSURE TO SAID HEATER IN A MANNER TO BE HEATED THEREBY; A DISCHARGE VENT ADAPTED TO DISCHARGE SAID AIR UNDER PRESSURE FROM SAID HEATER DOWNWARDLY BENEATH THE OPERATING WATER LEVEL OF SAID TANK; MEANS TO CONVEY COMBINED MELTED SNOW AND SAID WATER FROM SAID TANK; A SNOW CHUTE HAVING A DISCHARGE OUTLET ADAPTED TO INTRODUCE SNOW INTO SAID TANK; AND MEANS ADAPTED TO DISTRIBUTE SAID SNOW SUBSTANTIALLY EVENLY UPON SAID WATER IN SAID TANK; SAID LAST-MENTIONED MEANS COMPRISING A CAPPER, AND MEANS TO AUTOMATICALLY OSCILLATE SAID CAPPER BETWEEN PRESET LIMITS ACROSS THE PATH OF SNOW BEING EMITTED FROM SAID CHUTE.
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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) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |