US2696741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutch structure
Assignee: JOHNSTON LAWN MOWER Corp
•
Filing: 1951-12-17
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Granted: 1954-12-14
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Expires: 1971-12-17
Abstract
No abstract record available.
Inventors
- 👤 Ellsworth D Wilkin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:29
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/42; A01D34/46; A01D34/47; A01D34/475; F; F16; F16H; F16H7/00; F16H7/08; F16H7/0827; A01D2101/00
Claims Analysis
Total Claims: 0
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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) | 1957-12-13 | 1958-06-14 | 1958-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-13 | 1962-06-14 | 1962-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-13 | 1966-06-14 | 1966-12-14 | $7700.00 | Window Closed / Lapsed |