Patent US3093952A successfully refreshed from Google Patents.
US3093952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lawn mower blade
Assignee: Individual
•
Filing: 1961-05-29
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Granted: 1963-06-18
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Expires: 1981-05-29
Abstract
No abstract record available.
Inventors
- 👤 Stanley W Bonser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:33
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/73
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A LAWN MOWER BLADE ASSEMBLY COMPRISING A POWER MOWER DRIVE SHAFT, A FLAT MAIN BLADE SUPPORT IN THE FORM OF A HORIZONTAL PLATE TAPERED OUTWARDLY IN OPPOSITELY LONGITUDINAL DIRECTIONS FROM THE CENTER THEREOF, THE WIDTH OF SAID SUPPORT HAVING A MAXIMUM VALUE AT THE CENTER AND HAVING EQUAL MINIMUM VALUES AT THE EXTREME ENDS THEREOF, MOUNTING MEANS INTEGRAL WITH SAID SUPPORT FOR SYMMETRICAL SECURED ENGAGEMENT UPON SAID SHAFT, AND A PLURALITY OF CUTTER ELEMENTS SECURED IN SPACED APART RELATIONSHIP UPON THE LOWER SURFACE OF SAID PLATE, AND PROJECTING DOWNWARDLY THEREFROM, SAID ELEMENTS HAVING CUTTING EDGES DISPLACED DOWNWARD FROM SAID PLATE.
Claim 2
Dependent Claim
100 words
A LAWN MOWER BLADE ASSEMBLY COMPRISING A POWER MOWER DRIVE SHAFT, A FLAT MAIN BLADE SUPPORT IN THE FORM OF A HORIZONTAL PLATE TAPERED OUTWARDLY IN OPPOSITELY LONGITUDINAL DIRECTIONS FROM THE CENTER THEREOF, THE WIDTH OF SAID SUPPORT HAVING A MAXIMUM VALUE AT THE CENTER AND HAVING EQUAL MINIMUM VALUES AT THE EXTREME ENDS THEREOF, MOUNTING MEANS INTEGRAL WITH SAID SUPPORT FOR SYMMETRICAL SECURED ENGAGEMENT UPON SAID SHAFT, AND A PLURALITY OF CUTTER ELEMENTS SECURED IN SPACED APART RELATIONSHIP UPON THE LOWER SURFACE OF SAID PLATE, AND PROJECTING DOWNWARDLY THEREFROM, SAID ELEMENTS HAVING CUTTING EDGES DISPLACED DOWNWARD FROM SAID PLATE.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-17 | 1966-12-17 | 1967-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-17 | 1970-12-17 | 1971-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-17 | 1974-12-17 | 1975-06-18 | $7700.00 | Window Closed / Lapsed |