Patent US3107472A successfully refreshed from Google Patents.
US3107472A
Expired / Lapsed
US
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Rotary mower
Assignee: International Motors LLC
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Filing: 1962-04-23
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Granted: 1963-10-22
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Expires: 1982-04-23
Abstract
No abstract record available.
Inventors
- 👤 Robert H Witt
- 👤 John D Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 22:59
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/71; A01D34/64; A01D34/66; A01D34/661; A01D2101/00; Y; Y10; Y10S; Y10S56/00; Y10S56/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
IN A MOWER, A HOUSING HAVING A TOP INCLUDING STEPPED GENERALLY HORIZONTAL FRONT AND REAR WALL PORTIONS AND AN INTERMEDIATE UPRIGHT WALL PORTION AND PERIPHERAL WALLS DEFINING FRONT AND REAR CHAMBERS, A PLURALITY OF LATERALLY SPACED MOVED BLADES JOURNALLED FOR ROTATION ON VERTICAL AXES TO THE HOUSING, SAID BLADES PROJECTING FORWARDLY INTO THE FRONT CHAMBER AND HAVING A PATH OF MOVEMENT PROVIDING A CUTTING SECTO R WHOLLY CONFINED IN THE FRONT CHAMBER, SAID FRONT CHAMBER DEFINING A LATERALLY EXTENDING CLIPPING DISCHARGE TUNNEL OF SUBSTANTIAL DEPTH ABOVE THE BLADES, SAID INTERMEDIATE WALL HAVING
Claim 2
Dependent Claim
92 words
IN A MOWER, A HOUSING HAVING A TOP INCLUDING STEPPED GENERALLY HORIZONTAL FRONT AND REAR WALL PORTIONS AND AN INTERMEDIATE UPRIGHT WALL PORTION AND PERIPHERAL WALLS DEFINING FRONT AND REAR CHAMBERS, A PLURALITY OF LATERALLY SPACED MOVED BLADES JOURNALLED FOR ROTATION ON VERTICAL AXES TO THE HOUSING, SAID BLADES PROJECTING FORWARDLY INTO THE FRONT CHAMBER AND HAVING A PATH OF MOVEMENT PROVIDING A CUTTING SECTO R WHOLLY CONFINED IN THE FRONT CHAMBER, SAID FRONT CHAMBER DEFINING A LATERALLY EXTENDING CLIPPING DISCHARGE TUNNEL OF SUBSTANTIAL DEPTH ABOVE THE BLADES, SAID INTERMEDIATE WALL HAVING
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) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |