US3086304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Snow thrower with self-restoring impeller
Assignee: Individual
•
Filing: 1961-02-27
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Granted: 1963-04-23
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Expires: 1981-02-27
Abstract
No abstract record available.
Inventors
- 👤 Tendresse Philip E La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:48
CPC Classifications
E; E01; E01H; E01H5/00; E01H5/04; E01H5/08; E01H5/09; E01H5/098
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A SNOW THROWING ROTOR INCLUDING A PAIR OF OPPOSITELY PITCHED FEED SCREWS, AND AN IMPELLER BETWEEN THE FEED SCREWS, INCLUDING A PERIPHERALLY LOCATED PLATE DISPOSED NORMALLY IN AN OPERATING POSITION GENERALLY RADIALLY OF THE ROTOR AND HINGED ALONG ITS INNER EDGE TO THE ROTOR TO SWING BETWEEN THE OPERATING POSITION, AND A POSITION REARWARDLY THEREFROM, THAT IS, IN THE DIRECTION OPPOSITE TO THE DIRECTION OF ROTATION CAUSING THE SCREWS TO FEED TOWARD THE IMPELLER, AND A COMPRESSION SPRING REARWARDLY OF THE PLATE NORMALLY
Claim 2
Dependent Claim
83 words
A SNOW THROWING ROTOR INCLUDING A PAIR OF OPPOSITELY PITCHED FEED SCREWS, AND AN IMPELLER BETWEEN THE FEED SCREWS, INCLUDING A PERIPHERALLY LOCATED PLATE DISPOSED NORMALLY IN AN OPERATING POSITION GENERALLY RADIALLY OF THE ROTOR AND HINGED ALONG ITS INNER EDGE TO THE ROTOR TO SWING BETWEEN THE OPERATING POSITION, AND A POSITION REARWARDLY THEREFROM, THAT IS, IN THE DIRECTION OPPOSITE TO THE DIRECTION OF ROTATION CAUSING THE SCREWS TO FEED TOWARD THE IMPELLER, AND A COMPRESSION SPRING REARWARDLY OF THE PLATE NORMALLY
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |