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US2576424A
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Automatic speed control for railguided vehicles
Assignee: Lanteris Space LLC
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Filing: 1948-10-09
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Granted: 1951-11-27
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Expires: 1968-10-09
Abstract
No abstract record available.
Inventors
- 👤 David E Sunstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:04
CPC Classifications
B; B61; B61L; B61L3/00; B61L3/16; B61L3/22; B61L3/225; B61L25/00; B61L25/02; B61L25/021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1490253A
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US1877626A
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US1747041A
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US1826492A
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US2113226A
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US2334510A
Cited
US2493755A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-26 | 1955-05-28 | 1955-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-26 | 1959-05-28 | 1959-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-26 | 1963-05-28 | 1963-11-27 | $7700.00 | Window Closed / Lapsed |