Patent US3176455A successfully refreshed from Google Patents.
US3176455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary mower blade
Assignee: Individual
•
Filing: 1963-10-31
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Granted: 1965-04-06
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Expires: 1983-10-31
Abstract
No abstract record available.
Inventors
- 👤 John D Buchanan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:01
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D2101/00; Y; Y10; Y10T; Y10T83/00; Y10T83/768; Y10T83/7747; Y10T83/7793; Y10T83/929; Y10T83/9372; Y10T83/9403
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
75 words
A CUTTING MEMBER FOR A ROTARY LAWN MOWER COMPRISING A BLADE OF PLASTIC REINFORCED FABRIC MATERIAL OF GENERALLY CIRCULAR CONFIGURATION AND HAVING CUTTING TEETH ARRANGED ON ITS PERIPHERY, SAID BLADE BEING BETWEEN .010 AND .060 INCH IN THICKNESS WHEREBY IT IS EASILY DEFLECTED IN CASE OF SUFFERING A GLANCING BLOW WITH AN OBJECT HAVING SUBSTANTIAL MASS AND EASILY FRANGIBLE IN CASE OF STRIKING AN OBJECT OF SUBSTANTIAL MASS WITH SUCH DIRECTNESS AS TO PRECLUDE DEFLECTION.
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) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |