US2866110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rolling electric machine with increased torque
Assignee: Individual
•
Filing: 1953-12-21
•
Granted: 1958-12-23
•
Expires: 1973-12-21
Abstract
No abstract record available.
Inventors
- 👤 Schon Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:38
CPC Classifications
H; H02; H02K; H02K41/00; H02K41/06; H02K41/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US586823A
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DE384926C
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US2275827A
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US2378669A
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US2579865A
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US2703370A
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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) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |