US3365795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing hysteresis motors
Assignee: Hysteresis Motor Research Inc
•
Filing: 1965-02-19
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Granted: 1968-01-30
•
Expires: 1985-02-19
Abstract
No abstract record available.
Inventors
- 👤 Helmar O Jensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:30
CPC Classifications
H; H02; H02K; H02K19/00; H02K19/02; H02K19/04; H02K19/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009
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) | 1971-01-29 | 1971-07-31 | 1972-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-29 | 1975-07-31 | 1976-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-29 | 1979-07-31 | 1980-01-30 | $7700.00 | Window Closed / Lapsed |