US3103094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety-type, rotary vegetation cutting blade
Assignee: Individual
•
Filing: 1962-05-24
•
Granted: 1963-09-10
•
Expires: 1982-05-24
Abstract
No abstract record available.
Inventors
- 👤 Harry R Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:57
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/73
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
THE COMBINATION WITH A ROTARY VEGETATION-CUTTING BLADE HAVING A CENTRAL AXIS OF ROTATION, AN EXTREME OUTER EDGE PORTION AND A SHARPENED CUTTING EDGE EXTENDING A DISTANCE INWARDLY FROM SAID OUTER EDGE PORTION AND ARRANGED TO SEVER VEGETATION COMING IN CONTACT THEREWITH DURING ROTATION OF SAID BLADE, OF A PLURALITY OF RELATIVELY CLOSELY SPACED APART GUARD FINGERS CARRIED FOR ROTATION WITH SAID BLADE AND ARRANGED IN ROTATIONAL ADVANCE OF THE CUTTING EDGE OF SAID BLADE AND IN ANGULAR INTERSECTING RELATION TO THE PATH OF ROTATION OF SAID CUTTING EDGE, SAID GUARD FINGERS BEING OPERABLE UPON ROTATION OF SAID BLADE TO DEFLECT RELATIVELY LARGE SIZE OBJECTS OUT OF THE PATH OF ROTATION OF SAID CUTTING EDGE WHILE PERMITTING RELATIVELY SMALLER SIZE VEGETATION TO ENTER THEREBETWEEN INTO THE PATH OF ROTATION OF SAID CUTTING EDGE.
Claim 2
Dependent Claim
132 words
THE COMBINATION WITH A ROTARY VEGETATION-CUTTING BLADE HAVING A CENTRAL AXIS OF ROTATION, AN EXTREME OUTER EDGE PORTION AND A SHARPENED CUTTING EDGE EXTENDING A DISTANCE INWARDLY FROM SAID OUTER EDGE PORTION AND ARRANGED TO SEVER VEGETATION COMING IN CONTACT THEREWITH DURING ROTATION OF SAID BLADE, OF A PLURALITY OF RELATIVELY CLOSELY SPACED APART GUARD FINGERS CARRIED FOR ROTATION WITH SAID BLADE AND ARRANGED IN ROTATIONAL ADVANCE OF THE CUTTING EDGE OF SAID BLADE AND IN ANGULAR INTERSECTING RELATION TO THE PATH OF ROTATION OF SAID CUTTING EDGE, SAID GUARD FINGERS BEING OPERABLE UPON ROTATION OF SAID BLADE TO DEFLECT RELATIVELY LARGE SIZE OBJECTS OUT OF THE PATH OF ROTATION OF SAID CUTTING EDGE WHILE PERMITTING RELATIVELY SMALLER SIZE VEGETATION TO ENTER THEREBETWEEN INTO THE PATH OF ROTATION OF SAID CUTTING EDGE.
References Cited (Backward Citations)
US2859581A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-09 | 1967-03-11 | 1967-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-09 | 1971-03-11 | 1971-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-09 | 1975-03-11 | 1975-09-10 | $7700.00 | Window Closed / Lapsed |