US2617447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Warp beam mount
Assignee: STEEL AND ALLOY TANK Co
•
Filing: 1948-09-23
•
Granted: 1952-11-11
•
Expires: 1968-09-23
Abstract
No abstract record available.
Inventors
- 👤 Edward A Kiessling
- 👤 Lake Francis Gerard
- 👤 Stephensen Frederik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:10
CPC Classifications
D; D02; D02H; D02H13/00; D02H13/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1480927A
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US1559434A
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US1588828A
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US1803180A
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US1825218A
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US1911981A
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US2363112A
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US2447227A
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US2450431A
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US2465071A
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US2424400A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-11 | 1956-05-12 | 1956-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-11 | 1960-05-12 | 1960-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-11 | 1964-05-12 | 1964-11-11 | $7700.00 | Window Closed / Lapsed |