Patent US2696313A successfully refreshed from Google Patents.
US2696313A
Expired / Lapsed
US
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Wagon self-unloader
Assignee: Unisys Corp
•
Filing: 1952-11-04
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Granted: 1954-12-07
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Expires: 1972-11-04
Abstract
No abstract record available.
Inventors
- 👤 James B Gudikunst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:28
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1946452A
Cited
US1962228A
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US2258988A
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US2365771A
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US2318886A
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US2599741A
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US2621021A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-06 | 1958-06-07 | 1958-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-06 | 1962-06-07 | 1962-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-06 | 1966-06-07 | 1966-12-07 | $7700.00 | Window Closed / Lapsed |