US2895301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of submarine raft foundations
Assignee: California Research LLC
•
Filing: 1955-02-08
•
Granted: 1959-07-21
•
Expires: 1975-02-08
Abstract
No abstract record available.
Inventors
- 👤 Casagrande Arthur
- 👤 Besse Celestine Paul
- 👤 John H Bigham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:59
CPC Classifications
E; E02; E02D; E02D27/00; E02D27/01; E02D27/08; E02B; E02B17/00; E02B17/02; E02B17/021; E02D27/10; E02D27/18; E02D27/28; E02D27/32; E02D27/50; E02D27/52; E02B2017/0056; E02B2017/0073; E02B2017/0086
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1570697A
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US2248051A
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US2580911A
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GB652570A
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US2652693A
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US2699042A
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US2658353A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-20 | 1963-01-19 | 1963-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-20 | 1967-01-19 | 1967-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-20 | 1971-01-19 | 1971-07-21 | $7700.00 | Window Closed / Lapsed |