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Patent US2211513A successfully refreshed from Google Patents.
US2211513A
Expired / Lapsed
US
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Reinforced structure
Assignee: Reliance Steel Products Co
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Filing: 1938-10-21
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Granted: 1940-08-13
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Expires: 1958-10-21
Abstract
No abstract record available.
Inventors
- 👤 Nagin Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:09
CPC Classifications
E; E04; E04B; E04B5/00; E04B5/16; E04B5/32; E04B5/36; E04B5/38; E04B5/40; E01; E01D; E01D19/00; E01D19/12; E01D19/125; E01D2101/00; E01D2101/30
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) | 1943-08-13 | 1944-02-12 | 1944-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-08-13 | 1948-02-12 | 1948-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-08-13 | 1952-02-12 | 1952-08-13 | $7700.00 | Window Closed / Lapsed |