US2515059A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flood bank and similar structure and units for use in the erection of such structures
Assignee: Individual
•
Filing: 1946-07-15
•
Granted: 1950-07-11
•
Expires: 1966-07-15
Abstract
No abstract record available.
Inventors
- 👤 Rowbotham Frederick William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:31
CPC Classifications
E; E02; E02B; E02B3/00; E02B3/04; E02B3/10; E02B3/102; E02B3/106
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL40911C
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US1004828A
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US954283A
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US919788A
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US1230608A
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US1610341A
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US2014116A
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US1993217A
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US2069715A
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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) | 1953-07-10 | 1954-01-09 | 1954-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-10 | 1958-01-09 | 1958-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-10 | 1962-01-09 | 1962-07-11 | $7700.00 | Window Closed / Lapsed |