Patent US3073100A successfully refreshed from Google Patents.
US3073100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mower having helical cutter blade
Assignee: Individual
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Filing: 1960-08-15
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Granted: 1963-01-15
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Expires: 1980-08-15
Abstract
No abstract record available.
Inventors
- 👤 Richard O Kingsley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:14
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/42; A01D34/52; A01D34/53; Y; Y10; Y10T; Y10T83/00; Y10T83/465; Y10T83/4766; Y10T83/4795; Y10T83/4824; Y10T83/4827
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
IN A MOWER OF THE CLASS DESCRIBED, A MOBILIZED FRAME; A TRANSVERSE SHAFT JOURNALED IN SAID FRAME AND SUBSTANTIALLY AXIALLY PARALLEL TO THE SURFACE OVER WHICH THE FRAME IS ADAPTED TO MOVE AND ATHWART OF THE GENERAL DIRECTION OF MOVEMENT; A HELICAL FLANGE OF UNIFORM PITCH AND RADIAL DIMENSION HOMOCENTRICALLY FIXED ABOUT SAID SHAFT AND DISPOSED AT RIGHT ANGLES THERETO, A HELICAL FLAT CUTTING BLADE ON THE OUTER MARGINAL EDGE OF SAID FLANGE, SAID BLADE BEING DISPOSED AT A DIVERGENT ANGLE WITH RESPECT TO THE AXIS OF SAID SHAFT; AND POWER MEANS FOR ROTATING SAID SHAFT.
Claim 2
Dependent Claim
96 words
IN A MOWER OF THE CLASS DESCRIBED, A MOBILIZED FRAME; A TRANSVERSE SHAFT JOURNALED IN SAID FRAME AND SUBSTANTIALLY AXIALLY PARALLEL TO THE SURFACE OVER WHICH THE FRAME IS ADAPTED TO MOVE AND ATHWART OF THE GENERAL DIRECTION OF MOVEMENT; A HELICAL FLANGE OF UNIFORM PITCH AND RADIAL DIMENSION HOMOCENTRICALLY FIXED ABOUT SAID SHAFT AND DISPOSED AT RIGHT ANGLES THERETO, A HELICAL FLAT CUTTING BLADE ON THE OUTER MARGINAL EDGE OF SAID FLANGE, SAID BLADE BEING DISPOSED AT A DIVERGENT ANGLE WITH RESPECT TO THE AXIS OF SAID SHAFT; AND POWER MEANS FOR ROTATING SAID SHAFT.
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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |