Patent US3823100A successfully refreshed from Google Patents.
Patent US3155089A successfully refreshed from Google Patents.
US3155089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable snow melting and snow disposal unit
Assignee: Individual
•
Filing: 1962-02-08
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Granted: 1964-11-03
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Expires: 1982-02-08
Abstract
No abstract record available.
Inventors
- 👤 William H Hoyt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:44
CPC Classifications
E; E01; E01H; E01H5/00; E01H5/10; E01H5/102
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
A MOBILE SNOW MELTING UNIT COMPRISING A WHEEL SUPPORTED FRAME, A BOILER HOUSING ON SAID FRAME, INCLUDING A HOT-WATER BOILER, A SNOW-RECEIVING TANK SUPERPOSED OVER SAID BOILER HOUSING, THE BOTTOM OF SAID TANK CONSTITUTING THE TOP OF SAID BOILER HOUSING, A CONTINUOUS SNOW-RECEIVING TROUGH WITHIN SAID TANK EXTENDING AT LEAST THE ENTIRE PERIMETER THEREOF, THE BOTTOM OF SAID TROUGH BEING VERTICALLY SPACED ABOVE THE BOTTOM OF SAID TANK, A PLURALITY OF PARALLEL ANGLE BARS EACH OF INVERTED V-SHAPE SECURED BETWEEN A PAIR OF OPPOSED INSIDE WALLS OF SAID TROUGH, A WATER SPRAY PIPE POSITIONED WITHIN EACH ANGLE BAR, A HEATER PIPE WITHIN SAID TROUGH, A DRAIN PIPE CONNECTED TO SAID HEATER PIPE, OPENINGS IN SAID TANK BOTTOM FOR THE DISCHARGE OF WATER DIRECTLY INTO SAID BOILER, OVERFLOW OPENINGS IN THE INSIDE WALL OF SAID TROUGH, A PUMP, A CONDUIT CONNECTING THE BOTTOM OF SAID BOILER TO THE INLET OF SAID PUMP, A DISCHARGE CONDUIT ON SAID PUMP, AND SEPARATE CONDUIT MEANS EACH INCLUDING A CONTROL VALVE FOR CONNECTING THE DISCHARGE CONDUIT TO SAID SPRAY PIPES AND
Claim 2
Dependent Claim
176 words
A MOBILE SNOW MELTING UNIT COMPRISING A WHEEL SUPPORTED FRAME, A BOILER HOUSING ON SAID FRAME, INCLUDING A HOT-WATER BOILER, A SNOW-RECEIVING TANK SUPERPOSED OVER SAID BOILER HOUSING, THE BOTTOM OF SAID TANK CONSTITUTING THE TOP OF SAID BOILER HOUSING, A CONTINUOUS SNOW-RECEIVING TROUGH WITHIN SAID TANK EXTENDING AT LEAST THE ENTIRE PERIMETER THEREOF, THE BOTTOM OF SAID TROUGH BEING VERTICALLY SPACED ABOVE THE BOTTOM OF SAID TANK, A PLURALITY OF PARALLEL ANGLE BARS EACH OF INVERTED V-SHAPE SECURED BETWEEN A PAIR OF OPPOSED INSIDE WALLS OF SAID TROUGH, A WATER SPRAY PIPE POSITIONED WITHIN EACH ANGLE BAR, A HEATER PIPE WITHIN SAID TROUGH, A DRAIN PIPE CONNECTED TO SAID HEATER PIPE, OPENINGS IN SAID TANK BOTTOM FOR THE DISCHARGE OF WATER DIRECTLY INTO SAID BOILER, OVERFLOW OPENINGS IN THE INSIDE WALL OF SAID TROUGH, A PUMP, A CONDUIT CONNECTING THE BOTTOM OF SAID BOILER TO THE INLET OF SAID PUMP, A DISCHARGE CONDUIT ON SAID PUMP, AND SEPARATE CONDUIT MEANS EACH INCLUDING A CONTROL VALVE FOR CONNECTING THE DISCHARGE CONDUIT TO SAID SPRAY PIPES AND
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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) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |