US2488758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic control device
Assignee: Magnetrol Inc
•
Filing: 1946-01-26
•
Granted: 1949-11-22
•
Expires: 1966-01-26
Abstract
No abstract record available.
Inventors
- 👤 Benjamin L Binford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:21
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/30; G01F23/32; G01F23/64; Y; Y10; Y10S; Y10S73/00; Y10S73/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1876044A
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US2052083A
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US2043530A
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US2204161A
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US2292648A
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US2352830A
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US2439753A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-21 | 1953-05-23 | 1953-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-21 | 1957-05-23 | 1957-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-21 | 1961-05-23 | 1961-11-22 | $7700.00 | Window Closed / Lapsed |