US3054268A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Structure with underwater foundation
Assignee: Individual
•
Filing: 1960-04-05
•
Granted: 1962-09-18
•
Expires: 1980-04-05
Abstract
No abstract record available.
Inventors
- 👤 Muller Ludwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:12
CPC Classifications
E; E02; E02B; E02B17/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
BE532604A
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USRE24180E
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FR611430A
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GB263997A
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US1896810A
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DE670470C
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US2171672A
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US2236682A
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GB628123A
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GB751775A
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US2923133A
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AT192339B
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |