Patent US2637895A successfully refreshed from Google Patents.
US2637895A
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Method of tensioning and anchoring wire bundles for prestressed concrete structural elements
Assignee: EMILE JULES LUCIEN BLATON
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Filing: 1947-01-23
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Granted: 1953-05-12
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Expires: 1967-01-23
Abstract
No abstract record available.
Inventors
- 👤 Blaton Armand Eugene Adolphe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:58
CPC Classifications
B; B28; B28B; B28B23/00; B28B23/02; B28B23/04; B28B23/043; E; E04; E04G; E04G21/00; E04G21/12; E04G21/121; E04G2021/128; Y; Y10; Y10S; Y10S29/00; Y10S29/042; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49874
Claims Analysis
Total Claims: 0
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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) | 1956-05-11 | 1956-11-10 | 1957-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-11 | 1960-11-10 | 1961-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-11 | 1964-11-10 | 1965-05-12 | $7700.00 | Window Closed / Lapsed |