US2940241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaft guard for lawn mowers
Assignee: KEEN Manufacturing CO Inc
•
Filing: 1958-09-15
•
Granted: 1960-06-14
•
Expires: 1978-09-15
Abstract
No abstract record available.
Inventors
- 👤 Glenn W Stahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:54
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D2101/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2675662A
Cited
US1622611A
Cited
US2680339A
Cited
US2737003A
Cited
US2720742A
Cited
US2815634A
Cited
US2836430A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |