US1868084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Old Dominion Iron and Steel Corp
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Filing: 1931-06-29
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Granted: 1932-07-19
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Expires: 1951-06-29
Abstract
No abstract record available.
Inventors
- 👤 Thomas S Wheelwright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:44
CPC Classifications
F; F22; F22B; F22B7/00; F22B7/16; F16; F16B; F16B5/00; F16B5/02; F16B5/0241; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32114; Y10T403/32196; Y10T403/32204; Y10T403/38; Y10T403/71; Y10T403/7129
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) | 1935-07-19 | 1936-01-18 | 1936-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-07-19 | 1940-01-18 | 1940-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-07-19 | 1944-01-18 | 1944-07-19 | $7700.00 | Window Closed / Lapsed |