Patent US3397524A successfully refreshed from Google Patents.
US3397524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mowing apparatus having belt drive
Assignee: Individual
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Filing: 1965-08-27
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Granted: 1968-08-20
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Expires: 1985-08-27
Abstract
No abstract record available.
Inventors
- 👤 Walter D Hofer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:54
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/83; A01D34/831
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A MOWER ASSEMBLY COMPRISING AN ENDLESS FLEXIBLE BELT, SPACED CUTTING BLADES WITH ANGULARLY DISPOSED CUTTING EDGES EXTENDING OUTWARDLY OF ONE EDGE OF SAID BELT, SAID BLADES BEING FLUSH WITH THE INNER SIDE OF THE BELT, A HOUSING INCLUDING A PAIR OF FLAT WALLS DISPOSED PARALLEL TO EACH OTHER, MEANS HOLDING SAID WALLS SPACED APART AT ADJACENT PORTIONS THEREOF A DISTANCE EQUAL TO TWICE THE THICKNESS OF SAID BELT, SAID BELT HAVING JUXTAPOSED STRAIGHT SECTIONS LOCATED BETWEEN LOOPED ENDS THEREOF SLIDABLY DISPOSED BETWEEN SAID PLATES, TWO ROLLERS AT OPPOSITE ENDS RESPECTIVELY OF SAID HOUSING ENCLOSED BY SAID WALLS, SAID LOOPED ENDS OF THE BELT BEING ENGAGED ON SAID ROLLERS, AND MOTOR MEANS CONNECTED TO ONE OF THE ROLLERS FOR DRIVING THE BELT CONTINUOUSLY SO THAT THE CUTTING BLADES AT SAID STRAIGHT SECTIONS OF THE BELT SLIDABLY COOPERATE WITH EACH OTHER TO EXERCISE A CUTTING ACTION WHILE THE BELT IS DRIVEN.
Claim 2
Dependent Claim
149 words
A MOWER ASSEMBLY COMPRISING AN ENDLESS FLEXIBLE BELT, SPACED CUTTING BLADES WITH ANGULARLY DISPOSED CUTTING EDGES EXTENDING OUTWARDLY OF ONE EDGE OF SAID BELT, SAID BLADES BEING FLUSH WITH THE INNER SIDE OF THE BELT, A HOUSING INCLUDING A PAIR OF FLAT WALLS DISPOSED PARALLEL TO EACH OTHER, MEANS HOLDING SAID WALLS SPACED APART AT ADJACENT PORTIONS THEREOF A DISTANCE EQUAL TO TWICE THE THICKNESS OF SAID BELT, SAID BELT HAVING JUXTAPOSED STRAIGHT SECTIONS LOCATED BETWEEN LOOPED ENDS THEREOF SLIDABLY DISPOSED BETWEEN SAID PLATES, TWO ROLLERS AT OPPOSITE ENDS RESPECTIVELY OF SAID HOUSING ENCLOSED BY SAID WALLS, SAID LOOPED ENDS OF THE BELT BEING ENGAGED ON SAID ROLLERS, AND MOTOR MEANS CONNECTED TO ONE OF THE ROLLERS FOR DRIVING THE BELT CONTINUOUSLY SO THAT THE CUTTING BLADES AT SAID STRAIGHT SECTIONS OF THE BELT SLIDABLY COOPERATE WITH EACH OTHER TO EXERCISE A CUTTING ACTION WHILE THE BELT IS DRIVEN.
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) | 1971-08-20 | 1972-02-19 | 1972-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-20 | 1976-02-19 | 1976-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-20 | 1980-02-19 | 1980-08-20 | $7700.00 | Window Closed / Lapsed |