US2940623A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Material handling and earth moving apparatus
Assignee: Warner and Swasey Co
•
Filing: 1957-02-05
•
Granted: 1960-06-14
•
Expires: 1977-02-05
Abstract
No abstract record available.
Inventors
- 👤 William M Shook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:48
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/283; E02F3/286; E02F3/30; E02F3/303
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR1094800A
Cited
US1028619A
Cited
US1185427A
Cited
US1088031A
Cited
US1362566A
Cited
US2541045A
Cited
US2679326A
Cited
US2684159A
Cited
FR1080307A
Cited
US2792954A
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 |