US2941394A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforcing and tensioning members for concrete structures
Assignee: Individual
•
Filing: 1955-04-22
•
Granted: 1960-06-21
•
Expires: 1975-04-22
Abstract
No abstract record available.
Inventors
- 👤 Fred H Brandt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:44
CPC Classifications
E; E04; E04C; E04C5/00; E04C5/08; E04C5/12; E04C5/122; F; F16; F16B; F16B2200/00; F16B2200/20; F16B2200/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB569729A
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GB642589A
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AT166560B
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US2827770A
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FR1046484A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |