Patent US2763464A successfully refreshed from Google Patents.
US2763464A
Expired / Lapsed
US
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Apparatus for anchorage of concrete reinforcements
Assignee: Individual
•
Filing: 1953-07-24
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Granted: 1956-09-18
•
Expires: 1973-07-24
Abstract
No abstract record available.
Inventors
- 👤 Leonhardt Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:01
CPC Classifications
E; E04; E04G; E04G21/00; E04G21/12; E04G21/121
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1312009A
Cited
US1435486A
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US2637895A
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US2511761A
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US2615678A
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US2561581A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-18 | 1960-03-19 | 1960-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-18 | 1964-03-19 | 1964-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-18 | 1968-03-19 | 1968-09-18 | $7700.00 | Window Closed / Lapsed |