Patent US2129880A successfully refreshed from Google Patents.
US919100A
Expired / Lapsed
US
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Metallic reinforce for concrete construction.
Assignee: Philadelphia Steel and Wire Corp
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Filing: 1908-02-21
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Granted: 1909-04-20
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Expires: 1928-02-21
Abstract
No abstract record available.
Inventors
- 👤 Daniel A Wedmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:05
CPC Classifications
E; E04; E04C; E04C5/00; E04C5/16
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) | 1912-04-19 | 1912-10-19 | 1913-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-04-19 | 1916-10-19 | 1917-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-04-19 | 1920-10-19 | 1921-04-20 | $7700.00 | Window Closed / Lapsed |