US2959969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary stepping motor
Assignee: Ledex Inc
•
Filing: 1958-04-07
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Granted: 1960-11-15
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Expires: 1978-04-07
Abstract
No abstract record available.
Inventors
- 👤 Gerald H Leland
- 👤 Roger W Biser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:32
CPC Classifications
H; H02; H02K; H02K7/00; H02K7/06; H02K7/065; F; F16; F16H; F16H31/00; F16H31/003; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/1856; Y10T74/18888; Y10T74/18984
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) | 1963-11-15 | 1964-05-16 | 1964-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-15 | 1968-05-16 | 1968-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-15 | 1972-05-16 | 1972-11-15 | $7700.00 | Window Closed / Lapsed |