US2961837A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Supporting leg assembly for marine platform
Assignee: Delong Corp
•
Filing: 1956-09-28
•
Granted: 1960-11-29
•
Expires: 1976-09-28
Abstract
No abstract record available.
Inventors
- 👤 George E Suderow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:04
CPC Classifications
E; E02; E02B; E02B17/00; E02B17/04; E02B17/08; E02B17/0809; E02B17/0836; E02B17/0872; Y; Y10; Y10S; Y10S92/00; Y10S92/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2603373A
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US2600761A
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US2688848A
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US2646504A
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US2822670A
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US2830788A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |