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US2527995A
Expired / Lapsed
US
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Device for supporting moving vehicles on water
Assignee: HAMILTON S LILYFLEX SURFACES L
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Filing: 1943-02-19
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Granted: 1950-10-31
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Expires: 1963-02-19
Abstract
No abstract record available.
Inventors
- 👤 Hamilton Ronald Marsden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:19
CPC Classifications
B; B63; B63B; B63B35/00; B63B35/50; B63B35/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US146426A
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US464962A
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US1073794A
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US951379A
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US1885889A
Cited
FR44636E
Cited
US2110966A
Cited
US2160449A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-30 | 1954-05-01 | 1954-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-30 | 1958-05-01 | 1958-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-30 | 1962-05-01 | 1962-10-31 | $7700.00 | Window Closed / Lapsed |