Patent US2452474A successfully refreshed from Google Patents.
US2452474A
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Assignee: Indiana Steel & Wire Co
•
Filing: 1944-12-29
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Granted: 1948-10-26
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Expires: 1964-12-29
Abstract
No abstract record available.
Inventors
- 👤 Harry L Kitselman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:03
CPC Classifications
D; D07; D07B; D07B7/00; D07B7/02; D07B7/14; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49881
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US116261A
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US464279A
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US506638A
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US750206A
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US730427A
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US1249898A
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US1293151A
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GB253321A
Cited
US2137325A
Cited
US2240125A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-26 | 1952-04-26 | 1952-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-26 | 1956-04-26 | 1956-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-26 | 1960-04-26 | 1960-10-26 | $7700.00 | Window Closed / Lapsed |