Patent US3174477A successfully refreshed from Google Patents.
US3174477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Snow removal equipment
Assignee: Individual
•
Filing: 1963-06-12
•
Granted: 1965-03-23
•
Expires: 1983-06-12
Abstract
No abstract record available.
Inventors
- 👤 La Roy A Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:04
CPC Classifications
E; E01; E01H; E01H5/00; E01H5/10; E01H5/106
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
207 words
IN A SNOW REMOVAL APPARATUS HAVING A BURNER ASSEMBLY FOR CONVERTING FUEL INTO HOT GAS AND AN AIR BLOWER MEANS FOR PRODUCING A STEAM OF AIR IN THE DIRECTION OF SNOW TO BE REMOVED AND HAVING ITS OUTPUT FOCUSED ON THE HOT GAS TO DIRECTING THE HOT GAS ONTO SAID SNOW, THE IMPROVEMENT COMPRISING: A HOLLOW CYLINDRICAL BURNER HOUSING HAVING OPENINGS AT BOTH ENDS THEREOF FOR ALLOWING AIR TO BE CIRCULATED THEREIN; SAID HOUSING POSITIONED WITHIN THE CONFINES OF SAID STREAM, HOLLOW TUBE MEANS POSITIONED WITHIN SAID BURNER HOUSING AND AXIALLY ALIGNED LONGITUDINALLY THEREWITH FOR TRANSMITTING FUEL TO BE IGNITED, A PLURALITY OF BURNERS POSITIONED ALONG SAID TUBE MEANS IN SPACED OPENINGS THEREIN FOR RECEIVING SAID FUEL, SAID BURNERS HAVING THEIR DISCHARGE END FOCUSED IN THE DIRECTION OF FLOW OF SAID AIR STREAM, AND A PLURALITY OF HOLLOW CYLINDRICAL HEATER MEANS POSITIONED ALONG SAID BURNER HOUSING IN SPACED OPENINGS THEREIN AND COAXIAL RESPECTIVELY WITH SAID BURNERS, SAID HEATER MEANS HAVING A FIRST OPENING IN ONE END THEREOF FOR RECEIVING SAID BURNERS AT THEIR DISCHARGE ENDS, SAID HEATER MEANS FURTHER HAVING A SECOND OPENING IN SAID ONE END THEREOF ADJACENT SAID FIRST OPENING FOR ALLOWING AIR FLOW THERETHROUGH AT ATMOSPHERIC PRESSURE TO SAID DISCHARGE END OF SAID BURNERS.
Claim 2
Dependent Claim
207 words
IN A SNOW REMOVAL APPARATUS HAVING A BURNER ASSEMBLY FOR CONVERTING FUEL INTO HOT GAS AND AN AIR BLOWER MEANS FOR PRODUCING A STEAM OF AIR IN THE DIRECTION OF SNOW TO BE REMOVED AND HAVING ITS OUTPUT FOCUSED ON THE HOT GAS TO DIRECTING THE HOT GAS ONTO SAID SNOW, THE IMPROVEMENT COMPRISING: A HOLLOW CYLINDRICAL BURNER HOUSING HAVING OPENINGS AT BOTH ENDS THEREOF FOR ALLOWING AIR TO BE CIRCULATED THEREIN; SAID HOUSING POSITIONED WITHIN THE CONFINES OF SAID STREAM, HOLLOW TUBE MEANS POSITIONED WITHIN SAID BURNER HOUSING AND AXIALLY ALIGNED LONGITUDINALLY THEREWITH FOR TRANSMITTING FUEL TO BE IGNITED, A PLURALITY OF BURNERS POSITIONED ALONG SAID TUBE MEANS IN SPACED OPENINGS THEREIN FOR RECEIVING SAID FUEL, SAID BURNERS HAVING THEIR DISCHARGE END FOCUSED IN THE DIRECTION OF FLOW OF SAID AIR STREAM, AND A PLURALITY OF HOLLOW CYLINDRICAL HEATER MEANS POSITIONED ALONG SAID BURNER HOUSING IN SPACED OPENINGS THEREIN AND COAXIAL RESPECTIVELY WITH SAID BURNERS, SAID HEATER MEANS HAVING A FIRST OPENING IN ONE END THEREOF FOR RECEIVING SAID BURNERS AT THEIR DISCHARGE ENDS, SAID HEATER MEANS FURTHER HAVING A SECOND OPENING IN SAID ONE END THEREOF ADJACENT SAID FIRST OPENING FOR ALLOWING AIR FLOW THERETHROUGH AT ATMOSPHERIC PRESSURE TO SAID DISCHARGE END OF SAID BURNERS.
References Cited (Backward Citations)
US227081A
Cited
US472831A
Cited
DE406257C
Cited
DE574075C
Cited
US2153900A
Cited
US2566473A
Cited
US2839047A
Cited
US2820450A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |