US2953700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hysteresis motor rotor
Assignee: CASNER PATENTS Inc
•
Filing: 1958-05-15
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Granted: 1960-09-20
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Expires: 1978-05-15
Abstract
No abstract record available.
Inventors
- 👤 Herbert C Roters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:05
CPC Classifications
H; H02; H02K; H02K19/00; H02K19/02; H02K19/04; H02K19/08; H01; H01J; H01J3/00; H01J3/02; H01J3/024; Y; Y10; Y10S; Y10S310/00; Y10S310/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |