Patent US2997637A successfully refreshed from Google Patents.
US2997637A
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Positioning motor
Assignee: Schneider Electric Systems USA Inc
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Filing: 1958-05-26
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Granted: 1961-08-22
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Expires: 1978-05-26
Abstract
No abstract record available.
Inventors
- 👤 Hoel L Bowditch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:10
CPC Classifications
H; H02; H02K; H02K41/00; B; B66; B66D; B66D3/00; B66D3/02; G; G21; G21C; G21C19/00; G21C19/02; G21C19/10; H01; H01F; H01F7/00; H01F7/06; H01F7/20; H02K99/00; H02K99/20; B66D2700/00; B66D2700/02; B66D2700/021; Y; Y02; Y02E; Y02E30/00; Y02E30/30
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) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |