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US2483080A
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US
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Concrete foundation with sill
Assignee: Individual
•
Filing: 1946-08-12
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Granted: 1949-09-27
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Expires: 1966-08-12
Abstract
No abstract record available.
Inventors
- 👤 Charles L Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:40
CPC Classifications
E; E02; E02D; E02D27/00; E02D27/01; E02D27/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US983214A
Cited
US1622962A
Cited
US1929226A
Cited
US2142060A
Cited
US2186310A
Cited
US2149026A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-26 | 1953-03-28 | 1953-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-26 | 1957-03-28 | 1957-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-26 | 1961-03-28 | 1961-09-27 | $7700.00 | Window Closed / Lapsed |