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Patent US2707763A successfully refreshed from Google Patents.
US2707763A
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Polyphase energy translating motors and devices and protective circuits therefor
Assignee: Metals and Controls Corp
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Filing: 1950-12-20
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Granted: 1955-05-03
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Expires: 1970-12-20
Abstract
No abstract record available.
Inventors
- 👤 Edward F Kurtz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:32
CPC Classifications
H; H02; H02H; H02H7/00; H02H7/08; H02H7/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE22973E
Cited
US1123321A
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US1701382A
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US2057525A
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US2304599A
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US2445434A
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US2543131A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-02 | 1958-11-01 | 1959-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-02 | 1962-11-01 | 1963-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-02 | 1966-11-01 | 1967-05-03 | $7700.00 | Window Closed / Lapsed |