Patent US3456138A successfully refreshed from Google Patents.
US3456138A
Expired / Lapsed
US
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Rotary step-by-step motor with damper and plural magnet rotor
Assignee: Landis and Gyr AG
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Filing: 1966-10-07
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Granted: 1969-07-15
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Expires: 1986-10-07
Abstract
No abstract record available.
Inventors
- 👤 Ernst Rudolf Huber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:38
CPC Classifications
H; H02; H02K; H02K37/00; H02K37/10; H02K37/12; H02K37/14; H02K37/18; F; F16; F16F; F16F15/00; F16F15/10; H02K37/22
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) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |