US2461034A
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Assignee: Reconstruction Finance Corp
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Filing: 1945-08-29
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Granted: 1949-02-08
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Expires: 1965-08-29
Abstract
No abstract record available.
Inventors
- 👤 James B Castle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:32
CPC Classifications
B; B21; B21D; B21D5/00; B21D5/02; B30; B30B; B30B1/00; B30B1/02; B30B1/08; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18992; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/206
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) | 1952-02-08 | 1952-08-09 | 1953-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-08 | 1956-08-09 | 1957-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-08 | 1960-08-09 | 1961-02-08 | $7700.00 | Window Closed / Lapsed |