US3064149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controllable flux permanent magnet systems, especially for eddy current brakes or couplings for power propelled vehicles
Assignee: Max Baermann GmbH
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Filing: 1958-01-29
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Granted: 1962-11-13
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Expires: 1978-01-29
Abstract
No abstract record available.
Inventors
- 👤 Baermann Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:50
CPC Classifications
H; H02; H02K; H02K49/00; H02K49/02; H02K49/04; H01; H01F; H01F13/00; H01F13/003; H02K49/046
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) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |