Patent US2552364A successfully refreshed from Google Patents.
US2552364A
Expired / Lapsed
US
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Reinforcing bar or rod
Assignee: Sheffield Steel Corp
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Filing: 1946-06-10
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Granted: 1951-05-08
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Expires: 1966-06-10
Abstract
No abstract record available.
Inventors
- 👤 Bradbury William Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:54
CPC Classifications
E; E04; E04C; E04C5/00; E04C5/01; E04C5/02; E04C5/03; B; B21; B21B; B21B1/00; B21B1/16; B21B1/163
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-07 | 1954-11-06 | 1955-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-07 | 1958-11-06 | 1959-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-07 | 1962-11-06 | 1963-05-08 | $7700.00 | Window Closed / Lapsed |