US2488375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Permeability tuning slug support
Assignee: Admiral Corp
•
Filing: 1945-03-28
•
Granted: 1949-11-15
•
Expires: 1965-03-28
Abstract
No abstract record available.
Inventors
- 👤 Reuben C Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:12
CPC Classifications
H; H01; H01F; H01F21/00; H01F21/02; H01F21/06; H01F21/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2305805A
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US2229404A
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US2286283A
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US2270117A
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US2338134A
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US2335205A
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US2424506A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-14 | 1953-05-16 | 1953-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-14 | 1957-05-16 | 1957-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-14 | 1961-05-16 | 1961-11-15 | $7700.00 | Window Closed / Lapsed |