US2714968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wagon unloader ejector mechanism
Assignee: Unisys Corp
•
Filing: 1952-10-30
•
Granted: 1955-08-09
•
Expires: 1972-10-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Richard E Babcock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:52
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1946452A
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US1962228A
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US2258988A
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US2298982A
Cited
US2365771A
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US2685260A
Cited
US2494013A
Cited
US2636400A
Cited
US2657009A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-08 | 1959-02-07 | 1959-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-08 | 1963-02-07 | 1963-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-08 | 1967-02-07 | 1967-08-09 | $7700.00 | Window Closed / Lapsed |