US3087298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary mower blade
Assignee: Individual
•
Filing: 1960-08-19
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Granted: 1963-04-30
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Expires: 1980-08-19
Abstract
No abstract record available.
Inventors
- 👤 Sr Walter J Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:01
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/73
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
IN A CUTTER FOR LAWN MOWERS, A BLADE ADAPTED TO ROTATION IN A HORIZONTAL PLANE AND HAVING A SUBSTANTIALLY STRAIGHT BODY PORTION AND A CIRCULAR HUB PORTION INTERMEDIATE ITS ENDS, A CUTTING ELEMENT FORMED ON EACH END OF SAID BODY PORTION, TAPERED TOWARD ITS OUTER END, AND CURVED TOWARD OPPOSITE EDGES OF SAID BODY PORTION OPPOSITE THE DIRECTION OF ROTATION OF SAID BLADE, A KNIFE FORMED ALONG THE OUTER EDGE OF EACH OF SAID CUTTING ELEMENTS ALONG A PORTION OF THE TAPERED OUTER END THEREOF, AND AN UPTURNED BAFFLE ELEMENT FORMED ADJACENT TO EACH OF SAID KNIVES AND EXTENDING ALONG A PORTION OF EACH OPPOSING LEADING EDGE OF SAID BODY PORTION TOWARD THE HUB PORTION THEREOF.
Claim 2
Dependent Claim
116 words
IN A CUTTER FOR LAWN MOWERS, A BLADE ADAPTED TO ROTATION IN A HORIZONTAL PLANE AND HAVING A SUBSTANTIALLY STRAIGHT BODY PORTION AND A CIRCULAR HUB PORTION INTERMEDIATE ITS ENDS, A CUTTING ELEMENT FORMED ON EACH END OF SAID BODY PORTION, TAPERED TOWARD ITS OUTER END, AND CURVED TOWARD OPPOSITE EDGES OF SAID BODY PORTION OPPOSITE THE DIRECTION OF ROTATION OF SAID BLADE, A KNIFE FORMED ALONG THE OUTER EDGE OF EACH OF SAID CUTTING ELEMENTS ALONG A PORTION OF THE TAPERED OUTER END THEREOF, AND AN UPTURNED BAFFLE ELEMENT FORMED ADJACENT TO EACH OF SAID KNIVES AND EXTENDING ALONG A PORTION OF EACH OPPOSING LEADING EDGE OF SAID BODY PORTION TOWARD THE HUB PORTION THEREOF.
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) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |