US2490725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic transfer mechanism
Assignee: Toledo Scale Corp
•
Filing: 1946-12-10
•
Granted: 1949-12-06
•
Expires: 1966-12-10
Abstract
No abstract record available.
Inventors
- 👤 Maynard C Yeasting
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:10
CPC Classifications
G; G06; G06M; G06M1/00; G06M1/14; G06M1/18; G06M1/183
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2020975A
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US1128679A
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US2156969A
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US2336307A
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US2416081A
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US2420607A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-05 | 1953-06-06 | 1953-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-05 | 1957-06-06 | 1957-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-05 | 1961-06-06 | 1961-12-06 | $7700.00 | Window Closed / Lapsed |