US2725266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic suspension
Assignee: General Electric Co
•
Filing: 1953-04-20
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Granted: 1955-11-29
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Expires: 1973-04-20
Abstract
No abstract record available.
Inventors
- 👤 Lewis I Mendelsohn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:38
CPC Classifications
F; F16; F16C; F16C39/00; F16C39/06; F16C39/063; F16C2300/00; F16C2300/30; F16C2300/32
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) | 1958-11-28 | 1959-05-30 | 1959-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-28 | 1963-05-30 | 1963-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-28 | 1967-05-30 | 1967-11-29 | $7700.00 | Window Closed / Lapsed |