US2583523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic torque apparatus
Assignee: Individual
•
Filing: 1946-08-26
•
Granted: 1952-01-22
•
Expires: 1966-08-26
Abstract
No abstract record available.
Inventors
- 👤 Winther Anthony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:43
CPC Classifications
H; H02; H02K; H02K49/00; H02K49/06; H02K49/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB458671A
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US2070447A
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US2183404A
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US2241983A
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US2386505A
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US2373609A
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US2390877A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-21 | 1955-07-23 | 1956-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-21 | 1959-07-23 | 1960-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-21 | 1963-07-23 | 1964-01-22 | $7700.00 | Window Closed / Lapsed |