Patent US948824A successfully refreshed from Google Patents.
US948824A
Expired / Lapsed
US
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Reinforced concrete floor construction.
Assignee: DANIEL P DALEY
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Filing: —
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Granted: 1910-02-08
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Expires: 1927-02-08
Abstract
No abstract record available.
Inventors
- 👤 Lemuel Patterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:14
CPC Classifications
E; E04; E04B; E04B5/00; E04B5/16; E04B5/17; E04B5/23; E04B5/29
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1913-02-07 | 1913-08-09 | 1914-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-02-07 | 1917-08-09 | 1918-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-02-07 | 1921-08-09 | 1922-02-08 | $7700.00 | Window Closed / Lapsed |